Pamac "Failed to synchronize database"

The GUI package manager no longer detects updates.
Whenever I open it and click on the Updates tab, a small popup says “Failed to synchronize database”.

I had some trouble a while ago updating certain packages, so I ran a command that increased the number of mirrors. This solved the problem with updating the packages, but the “Failed to synchronize database” error remains.

Any help would be appreciated.
Please let me know what other information I should provide.

EDIT: I will post system info here:

  Kernel: 5.15.125-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 13.2.1
    parameters: BOOT_IMAGE=/boot/vmlinuz-5.15-x86_64
    root=UUID=7c28e640-9553-4d2b-9929-3e9fba851c0a rw quiet apparmor=1
    security=apparmor udev.log_priority=3
  Desktop: KDE Plasma v: 5.27.7 tk: Qt v: 5.15.10 wm: kwin_x11 vt: 2 dm: SDDM
    Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: Acer product: Aspire A315-53 v: V1.19
    serial: <superuser required>
  Mobo: KBL model: Metapod_KL v: V1.19 serial: <superuser required>
    UEFI: Insyde v: 1.19 date: 04/24/2018
Battery:
  ID-1: BAT1 charge: 24.2 Wh (100.0%) condition: 24.2/37.0 Wh (65.3%)
    volts: 8.3 min: 7.7 model: PANASONIC 004A354D36315041 type: Li-ion
    serial: <filter> status: full
Memory:
  System RAM: total: 12 GiB available: 11.57 GiB used: 3.83 GiB (33.1%)
  RAM Report: permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: Intel Core i5-7200U bits: 64 type: MT MCP arch: Amber/Kaby Lake
    note: check gen: core 7 level: v3 note: check built: 2017 process: Intel 14nm
    family: 6 model-id: 0x8E (142) stepping: 9 microcode: 0xF4
  Topology: cpus: 1x cores: 2 tpc: 2 threads: 4 smt: enabled cache:
    L1: 128 KiB desc: d-2x32 KiB; i-2x32 KiB L2: 512 KiB desc: 2x256 KiB
    L3: 3 MiB desc: 1x3 MiB
  Speed (MHz): avg: 1948 high: 2790 min/max: 400/3100 scaling:
    driver: intel_pstate governor: powersave cores: 1: 700 2: 2037 3: 2790
    4: 2266 bogomips: 21607
  Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat
    arch_capabilities arch_perfmon art avx avx2 bmi1 bmi2 bts clflush
    clflushopt cmov constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64
    dtherm dts epb ept ept_ad erms est f16c flexpriority flush_l1d fma fpu
    fsgsbase fxsr ht hwp hwp_act_window hwp_epp hwp_notify ibpb ibrs ida
    intel_pt invpcid invpcid_single lahf_lm lm mca mce md_clear mmx monitor
    movbe mpx msr mtrr nonstop_tsc nopl nx pae pat pbe pcid pclmulqdq pdcm
    pdpe1gb pebs pge pln pni popcnt pse pse36 pti pts rdrand rdseed rdtscp
    rep_good sdbg sep smap smep ss ssbd sse sse2 sse4_1 sse4_2 ssse3 stibp
    syscall tm tm2 tpr_shadow tsc tsc_adjust tsc_deadline_timer vme vmx vnmi
    vpid x2apic xgetbv1 xsave xsavec xsaveopt xsaves xtopology xtpr
  Vulnerabilities:
  Type: gather_data_sampling mitigation: Microcode
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf mitigation: PTE Inversion; VMX: conditional cache flushes, SMT
    vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data mitigation: Clear CPU buffers; SMT vulnerable
  Type: retbleed mitigation: IBRS
  Type: spec_rstack_overflow status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl and seccomp
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: IBRS, IBPB: conditional, STIBP: conditional,
    RSB filling, PBRSB-eIBRS: Not affected
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel HD Graphics 620 vendor: Acer Incorporated ALI driver: i915
    v: kernel arch: Gen-9.5 process: Intel 14nm built: 2016-20 ports:
    active: eDP-1 empty: HDMI-A-1 bus-ID: 00:02.0 chip-ID: 8086:5916
    class-ID: 0300
  Device-2: Quanta VGA WebCam driver: uvcvideo type: USB rev: 2.0
    speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-7:4 chip-ID: 0408:a031
    class-ID: 0e02 serial: <filter>
  Display: x11 server: X.Org v: 21.1.8 with: Xwayland v: 23.1.2
    compositor: kwin_x11 driver: X: loaded: modesetting alternate: fbdev,vesa
    dri: iris gpu: i915 display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1366x768 s-dpi: 96 s-size: 361x203mm (14.21x7.99")
    s-diag: 414mm (16.31")
  Monitor-1: eDP-1 model: BOE Display 0x0672 built: 2015 res: 1366x768 hz: 60
    dpi: 101 gamma: 1.2 size: 344x194mm (13.54x7.64") diag: 395mm (15.5")
    ratio: 16:9 modes: 1366x768
  API: OpenGL v: 4.6 Mesa 23.1.5 renderer: Mesa Intel HD Graphics 620 (KBL
    GT2) direct-render: Yes
Audio:
  Device-1: Intel Sunrise Point-LP HD Audio vendor: Acer Incorporated ALI
    driver: snd_hda_intel v: kernel alternate: snd_soc_skl bus-ID: 00:1f.3
    chip-ID: 8086:9d71 class-ID: 0403
  API: ALSA v: k5.15.125-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: sndiod v: N/A status: off tools: aucat,midicat,sndioctl
  Server-2: JACK v: 1.9.22 status: off tools: N/A
  Server-3: PipeWire v: 0.3.77 status: off with: pipewire-media-session
    status: active tools: pw-cli
  Server-4: PulseAudio v: 16.1 status: active with: pulseaudio-alsa
    type: plugin tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: Acer Incorporated ALI driver: r8169 v: kernel pcie: gen: 1
    speed: 2.5 GT/s lanes: 1 port: 3000 bus-ID: 01:00.1 chip-ID: 10ec:8168
    class-ID: 0200
  IF: enp1s0f1 state: up speed: 1000 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  Device-2: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter
    vendor: Lite-On driver: ath10k_pci v: kernel pcie: gen: 1 speed: 2.5 GT/s
    lanes: 1 bus-ID: 02:00.0 chip-ID: 168c:0042 class-ID: 0280
  IF: wlp2s0 state: up mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: noprefixroute scope: link
  WAN IP: <filter>
Bluetooth:
  Device-1: Lite-On Qualcomm Atheros QCA9377 Bluetooth driver: btusb v: 0.8
    type: USB rev: 2.0 speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-5:3
    chip-ID: 04ca:3015 class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 447.13 GiB used: 260.44 GiB (58.2%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/sda maj-min: 8:0 vendor: KingMAX model: SSD 480GB
    size: 447.13 GiB block-size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
    tech: SSD serial: <filter> fw-rev: 63 scheme: GPT
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 446.83 GiB size: 438.75 GiB (98.19%)
    used: 260.44 GiB (59.4%) fs: ext4 dev: /dev/sda2 maj-min: 8:2 label: N/A
    uuid: 7c28e640-9553-4d2b-9929-3e9fba851c0a
  ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
    used: 288 KiB (0.1%) fs: vfat dev: /dev/sda1 maj-min: 8:1 label: NO_LABEL
    uuid: CD97-D4E2
Swap:
  Alert: No swap data was found.
Unmounted:
  Message: No unmounted partitions found.
USB:
  Hub-1: 1-0:1 info: hi-speed hub with single TT ports: 12 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 1-1:2 info: Pixart Imaging Optical Mouse type: mouse
    driver: hid-generic,usbhid interfaces: 1 rev: 1.1 speed: 1.5 Mb/s (183 KiB/s)
    lanes: 1 mode: 1.0 power: 100mA chip-ID: 093a:2521 class-ID: 0301
  Device-2: 1-5:3 info: Lite-On Qualcomm Atheros QCA9377 Bluetooth
    type: bluetooth driver: btusb interfaces: 2 rev: 2.0
    speed: 12 Mb/s (1.4 MiB/s) lanes: 1 mode: 1.1 power: 100mA
    chip-ID: 04ca:3015 class-ID: e001
  Device-3: 1-7:4 info: Quanta VGA WebCam type: video driver: uvcvideo
    interfaces: 2 rev: 2.0 speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0
    power: 500mA chip-ID: 0408:a031 class-ID: 0e02 serial: <filter>
  Hub-2: 2-0:1 info: super-speed hub ports: 6 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1 chip-ID: 1d6b:0003
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 46.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Info:
  Processes: 204 Uptime: 55m wakeups: 1 Init: systemd v: 253 default: graphical
  tool: systemctl Compilers: gcc: 13.2.1 clang: 15.0.7 Packages: 1965
  pm: pacman pkgs: 1939 libs: 482 tools: pamac pm: flatpak pkgs: 17 pm: snap
  pkgs: 9 Shell: Zsh v: 5.9 default: Bash v: 5.1.16 running-in: konsole
  inxi: 3.3.28```
```Aug 11 17:15:36 vincent-aspirea31553 kernel: x86/cpu: SGX disabled by BIOS.
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_PR.CPU0._CPC], AE_NOT_FOUND (20210730/psargs-330)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI Error: Aborting method \_PR.CPU1._CPC due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_PR.CPU0._CPC], AE_NOT_FOUND (20210730/psargs-330)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI Error: Aborting method \_PR.CPU2._CPC due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_PR.CPU0._CPC], AE_NOT_FOUND (20210730/psargs-330)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI Error: Aborting method \_PR.CPU3._CPC due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
Aug 11 17:15:36 vincent-aspirea31553 systemd-modules-load[245]: Failed to find module 'nvidia-uvm'
Aug 11 19:48:47 vincent-aspirea31553 konsole[13641]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:48:47 vincent-aspirea31553 konsole[13641]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:06 vincent-aspirea31553 konsole[13698]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:06 vincent-aspirea31553 konsole[13698]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:20 vincent-aspirea31553 konsole[13778]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:20 vincent-aspirea31553 konsole[13778]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:52:31 vincent-aspirea31553 konsole[14299]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:52:31 vincent-aspirea31553 konsole[14299]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:56:51 vincent-aspirea31553 konsole[14573]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:56:51 vincent-aspirea31553 konsole[14573]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:57:36 vincent-aspirea31553 systemd-coredump[14923]: [🡕] Process 14797 (pamac-manager) of user 1000 dumped core.
                                                              
                                                              Stack trace of thread 14797:
                                                              #0  0x000055cca364580e n/a (pamac-manager + 0x2780e)
                                                              #1  0x000055cca3649778 n/a (pamac-manager + 0x2b778)
                                                              #2  0x00007fc9f0dedcfe g_signal_emit_valist (libgobject-2.0.so.0 + 0x32cfe)
                                                              #3  0x00007fc9f0deef60 g_signal_emit_by_name (libgobject-2.0.so.0 + 0x33f60)
                                                              #4  0x00007fc9f0ef9620 n/a (libgio-2.0.so.0 + 0xdc620)
                                                              #5  0x00007fc9f0f1e4c8 n/a (libgio-2.0.so.0 + 0x1014c8)
                                                              #6  0x00007fc9f0ccaa31 g_main_context_dispatch (libglib-2.0.so.0 + 0x5aa31)
                                                              #7  0x00007fc9f0d27cc9 n/a (libglib-2.0.so.0 + 0xb7cc9)
                                                              #8  0x00007fc9f0cc9fef g_main_loop_run (libglib-2.0.so.0 + 0x59fef)
                                                              #9  0x00007fc9f182037f n/a (libpamac-gtk.so + 0xf37f)
                                                              #10 0x00007fc9f0ddf80c n/a (libgobject-2.0.so.0 + 0x2480c)
                                                              #11 0x00007fc9f0de1af1 g_object_new_valist (libgobject-2.0.so.0 + 0x26af1)
                                                              #12 0x00007fc9f0de229e g_object_new (libgobject-2.0.so.0 + 0x2729e)
                                                              #13 0x00007fc9f181c112 pamac_transaction_gtk_construct (libpamac-gtk.so + 0xb112)
                                                              #14 0x000055cca3648577 n/a (pamac-manager + 0x2a577)
                                                              #15 0x000055cca364976d n/a (pamac-manager + 0x2b76d)
                                                              #16 0x00007fc9f0deebc9 g_signal_emit_valist (libgobject-2.0.so.0 + 0x33bc9)
                                                              #17 0x00007fc9f0deed34 g_signal_emit (libgobject-2.0.so.0 + 0x33d34)
                                                              #18 0x00007fc9f0efad19 n/a (libgio-2.0.so.0 + 0xddd19)
                                                              #19 0x00007fc9f0efae6c g_application_run (libgio-2.0.so.0 + 0xdde6c)
                                                              #20 0x000055cca362b423 n/a (pamac-manager + 0xd423)
                                                              #21 0x00007fc9f088d850 n/a (libc.so.6 + 0x23850)
                                                              #22 0x00007fc9f088d90a __libc_start_main (libc.so.6 + 0x2390a)
                                                              #23 0x000055cca362b555 n/a (pamac-manager + 0xd555)
                                                              
                                                              Stack trace of thread 14798:
                                                              #0  0x00007fc9f096d2ed syscall (libc.so.6 + 0x1032ed)
                                                              #1  0x00007fc9f0d1fca7 g_cond_wait (libglib-2.0.so.0 + 0xafca7)
                                                              #2  0x00007fc9f0c95144 n/a (libglib-2.0.so.0 + 0x25144)
                                                              #3  0x00007fc9f0cff2fe n/a (libglib-2.0.so.0 + 0x8f2fe)
                                                              #4  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #5  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #6  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14821:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14809:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9eef5a411 n/a (libcurl.so.4 + 0x4c411)
                                                              #2  0x00007fc9eef5a892 n/a (libcurl.so.4 + 0x4c892)
                                                              #3  0x00007fc9eef54f39 curl_multi_poll (libcurl.so.4 + 0x46f39)
                                                              #4  0x00007fc9eef38ce7 curl_easy_perform (libcurl.so.4 + 0x2ace7)
                                                              #5  0x00007fc9eabe6c72 n/a (libflatpak.so.0 + 0x82c72)
                                                              #6  0x00007fc9eac1358e n/a (libflatpak.so.0 + 0xaf58e)
                                                              #7  0x00007fc9eaba60d9 n/a (libflatpak.so.0 + 0x420d9)
                                                              #8  0x00007fc9eac04412 n/a (libflatpak.so.0 + 0xa0412)
                                                              #9  0x00007fc9eabc566a flatpak_installation_fetch_remote_ref_sync_full (libflatpak.so.0 + 0x6166a)
                                                              #10 0x00007fc9eabc5838 flatpak_installation_fetch_remote_ref_sync (libflatpak.so.0 + 0x61838)
                                                              #11 0x00007fc9eac5ec42 n/a (libpamac-flatpak.so + 0xac42)
                                                              #12 0x00007fc9eac5f617 n/a (libpamac-flatpak.so + 0xb617)
                                                              #13 0x00007fc9f0a9c09d n/a (libpamac.so.11 + 0x4809d)
                                                              #14 0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #15 0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #16 0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14820:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14822:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14823:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14811:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9f0d27c2f n/a (libglib-2.0.so.0 + 0xb7c2f)
                                                              #2  0x00007fc9f0cc80e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2)
                                                              #3  0x00007fc9e86d7fde n/a (libdconfsettings.so + 0x5fde)
                                                              #4  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #5  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #6  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14824:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14861:
                                                              #0  0x00007fc9f096d2ed syscall (libc.so.6 + 0x1032ed)
                                                              #1  0x00007fc9f0d20533 g_cond_wait_until (libglib-2.0.so.0 + 0xb0533)
                                                              #2  0x00007fc9f0c95115 n/a (libglib-2.0.so.0 + 0x25115)
                                                              #3  0x00007fc9f0c95277 g_async_queue_timeout_pop (libglib-2.0.so.0 + 0x25277)
                                                              #4  0x00007fc9f0cffbee n/a (libglib-2.0.so.0 + 0x8fbee)
                                                              #5  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #6  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #7  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14825:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14799:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9f0d27c2f n/a (libglib-2.0.so.0 + 0xb7c2f)
                                                              #2  0x00007fc9f0cc80e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2)
                                                              #3  0x00007fc9f0cc8132 n/a (libglib-2.0.so.0 + 0x58132)
                                                              #4  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #5  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #6  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14831:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9f0d27c2f n/a (libglib-2.0.so.0 + 0xb7c2f)
                                                              #2  0x00007fc9f0cc9fef g_main_loop_run (libglib-2.0.so.0 + 0x59fef)
                                                              #3  0x00007fc9f0f1bef3 g_dbus_connection_send_message_with_reply_sync (libgio-2.0.so.0 + 0xfeef3)
                                                              #4  0x00007fc9f0f20ccb n/a (libgio-2.0.so.0 + 0x103ccb)
                                                              #5  0x00007fc9eaba6d81 n/a (libflatpak.so.0 + 0x42d81)
                                                              #6  0x00007fc9eabce5aa flatpak_installation_update_appstream_full_sync (libflatpak.so.0 + 0x6a5aa)
                                                              #7  0x00007fc9eabc848a flatpak_installation_update_appstream_sync (libflatpak.so.0 + 0x6448a)
                                                              #8  0x00007fc9eac5cdfb n/a (libpamac-flatpak.so + 0x8dfb)
                                                              #9  0x00007fc9f0a9b1d2 n/a (libpamac.so.11 + 0x471d2)
                                                              #10 0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #11 0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #12 0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14920:
                                                              #0  0x00007fc9f0974e2d n/a (libc.so.6 + 0x10ae2d)
                                                              #1  0x00007fc99000e240 n/a (n/a + 0x0)
                                                              ELF object binary architecture: AMD x86-64
░░ Subject: Process 14797 (pamac-manager) dumped core
░░ Defined-By: systemd
░░ Support: https://forum.manjaro.org/c/support
░░ Documentation: man:core(5)
░░ 
░░ Process 14797 (pamac-manager) crashed and dumped core.
░░ 
░░ This usually indicates a programming error in the crashing program and
░░ should be reported to its vendor as a bug.
Aug 11 20:35:50 vincent-aspirea31553 konsole[16999]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:35:50 vincent-aspirea31553 konsole[16999]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:36:28 vincent-aspirea31553 sudo[17053]: pam_unix(sudo:auth): conversation failed
Aug 11 20:36:28 vincent-aspirea31553 sudo[17053]: pam_unix(sudo:auth): auth could not identify password for [vincentw]
Aug 11 20:37:21 vincent-aspirea31553 konsole[17211]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:37:21 vincent-aspirea31553 konsole[17211]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:37:40 vincent-aspirea31553 konsole[17288]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:37:40 vincent-aspirea31553 konsole[17288]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:54:22 vincent-aspirea31553 pulseaudio[1259]: Error opening PCM device front:0: No such file or directory
Aug 11 20:54:22 vincent-aspirea31553 pulseaudio[1259]: Error opening PCM device front:0: No such file or directory
Aug 11 20:54:23 vincent-aspirea31553 kernel: watchdog: watchdog0: watchdog did not stop!
    ~  inxi -Fxz                                                                            ✔ 

System:
  Kernel: 5.15.125-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 13.2.1
    Desktop: KDE Plasma v: 5.27.7 Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Laptop System: Acer product: Aspire A315-53 v: V1.19
    serial: <superuser required>
  Mobo: KBL model: Metapod_KL v: V1.19 serial: <superuser required>
    UEFI: Insyde v: 1.19 date: 04/24/2018
Battery:
  ID-1: BAT1 charge: 24.2 Wh (100.0%) condition: 24.2/37.0 Wh (65.3%)
    volts: 8.3 min: 7.7 model: PANASONIC 004A354D36315041 status: full
CPU:
  Info: dual core model: Intel Core i5-7200U bits: 64 type: MT MCP
    arch: Amber/Kaby Lake note: check rev: 9 cache: L1: 128 KiB L2: 512 KiB
    L3: 3 MiB
  Speed (MHz): avg: 1262 high: 2892 min/max: 400/3100 cores: 1: 700 2: 737
    3: 720 4: 2892 bogomips: 21607
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Graphics:
  Device-1: Intel HD Graphics 620 vendor: Acer Incorporated ALI driver: i915
    v: kernel arch: Gen-9.5 bus-ID: 00:02.0
  Device-2: Quanta VGA WebCam driver: uvcvideo type: USB bus-ID: 1-7:4
  Display: x11 server: X.Org v: 21.1.8 with: Xwayland v: 23.1.2 driver: X:
    loaded: modesetting dri: iris gpu: i915 resolution: 1366x768~60Hz
  API: OpenGL v: 4.6 Mesa 23.1.5 renderer: Mesa Intel HD Graphics 620 (KBL
    GT2) direct-render: Yes
Audio:
  Device-1: Intel Sunrise Point-LP HD Audio vendor: Acer Incorporated ALI
    driver: snd_hda_intel v: kernel bus-ID: 00:1f.3
  API: ALSA v: k5.15.125-1-MANJARO status: kernel-api
  Server-1: sndiod v: N/A status: off
  Server-2: JACK v: 1.9.22 status: off
  Server-3: PipeWire v: 0.3.77 status: off
  Server-4: PulseAudio v: 16.1 status: active
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
    vendor: Acer Incorporated ALI driver: r8169 v: kernel port: 3000
    bus-ID: 01:00.1
  IF: enp1s0f1 state: up speed: 1000 Mbps duplex: full mac: <filter>
  Device-2: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter
    vendor: Lite-On driver: ath10k_pci v: kernel bus-ID: 02:00.0
  IF: wlp2s0 state: up mac: <filter>
Bluetooth:
  Device-1: Lite-On Qualcomm Atheros QCA9377 Bluetooth driver: btusb v: 0.8
    type: USB bus-ID: 1-5:3
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
Drives:
  Local Storage: total: 447.13 GiB used: 260.44 GiB (58.2%)
  ID-1: /dev/sda vendor: KingMAX model: SSD 480GB size: 447.13 GiB
Partition:
  ID-1: / size: 438.75 GiB used: 260.44 GiB (59.4%) fs: ext4 dev: /dev/sda2
  ID-2: /boot/efi size: 299.4 MiB used: 288 KiB (0.1%) fs: vfat
    dev: /dev/sda1
Swap:
  Alert: No swap data was found.
Sensors:
  System Temperatures: cpu: 49.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Info:
  Processes: 205 Uptime: 54m Memory: total: 12 GiB available: 11.57 GiB
  used: 3.91 GiB (33.8%) Init: systemd Compilers: gcc: 13.2.1 clang: 15.0.7
  Packages: 1965 Shell: Zsh v: 5.9 inxi: 3.3.28```

Try following for a beginning

sudo pacman-mirrors -f5
sudo pacman -Syyu

Hi, Teo.
I just finished running those two commands.
It still says “Failed to synchronize databases” when opening the update tab.
I restarted to see of that may be needed, but I still get the error.

Please provide some system info then, and the pacman log.

pamac '‘refresh databases’ button?
or

pamac upgrade --force-refresh

check if the mirrors you are using are up date:

pacman-mirrors --status

Or Status of Mirrors

A lot of the mirrors for stable branch are showing as not up to date at the moment

Global mirror mirrors.manjaro.org/repo is usually one of the first to update

Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_PR.CPU0._CPC], AE_NOT_FOUND (20210730/psargs-330)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI Error: Aborting method \_PR.CPU1._CPC due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_PR.CPU0._CPC], AE_NOT_FOUND (20210730/psargs-330)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI Error: Aborting method \_PR.CPU2._CPC due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_PR.CPU0._CPC], AE_NOT_FOUND (20210730/psargs-330)
Aug 11 17:15:36 vincent-aspirea31553 kernel: ACPI Error: Aborting method \_PR.CPU3._CPC due to previous error (AE_NOT_FOUND) (20210730/psparse-529)
Aug 11 17:15:36 vincent-aspirea31553 systemd-modules-load[245]: Failed to find module 'nvidia-uvm'
Aug 11 19:48:47 vincent-aspirea31553 konsole[13641]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:48:47 vincent-aspirea31553 konsole[13641]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:06 vincent-aspirea31553 konsole[13698]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:06 vincent-aspirea31553 konsole[13698]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:20 vincent-aspirea31553 konsole[13778]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:49:20 vincent-aspirea31553 konsole[13778]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:52:31 vincent-aspirea31553 konsole[14299]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:52:31 vincent-aspirea31553 konsole[14299]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:56:51 vincent-aspirea31553 konsole[14573]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:56:51 vincent-aspirea31553 konsole[14573]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 19:57:36 vincent-aspirea31553 systemd-coredump[14923]: [🡕] Process 14797 (pamac-manager) of user 1000 dumped core.
                                                              
                                                              Stack trace of thread 14797:
                                                              #0  0x000055cca364580e n/a (pamac-manager + 0x2780e)
                                                              #1  0x000055cca3649778 n/a (pamac-manager + 0x2b778)
                                                              #2  0x00007fc9f0dedcfe g_signal_emit_valist (libgobject-2.0.so.0 + 0x32cfe)
                                                              #3  0x00007fc9f0deef60 g_signal_emit_by_name (libgobject-2.0.so.0 + 0x33f60)
                                                              #4  0x00007fc9f0ef9620 n/a (libgio-2.0.so.0 + 0xdc620)
                                                              #5  0x00007fc9f0f1e4c8 n/a (libgio-2.0.so.0 + 0x1014c8)
                                                              #6  0x00007fc9f0ccaa31 g_main_context_dispatch (libglib-2.0.so.0 + 0x5aa31)
                                                              #7  0x00007fc9f0d27cc9 n/a (libglib-2.0.so.0 + 0xb7cc9)
                                                              #8  0x00007fc9f0cc9fef g_main_loop_run (libglib-2.0.so.0 + 0x59fef)
                                                              #9  0x00007fc9f182037f n/a (libpamac-gtk.so + 0xf37f)
                                                              #10 0x00007fc9f0ddf80c n/a (libgobject-2.0.so.0 + 0x2480c)
                                                              #11 0x00007fc9f0de1af1 g_object_new_valist (libgobject-2.0.so.0 + 0x26af1)
                                                              #12 0x00007fc9f0de229e g_object_new (libgobject-2.0.so.0 + 0x2729e)
                                                              #13 0x00007fc9f181c112 pamac_transaction_gtk_construct (libpamac-gtk.so + 0xb112)
                                                              #14 0x000055cca3648577 n/a (pamac-manager + 0x2a577)
                                                              #15 0x000055cca364976d n/a (pamac-manager + 0x2b76d)
                                                              #16 0x00007fc9f0deebc9 g_signal_emit_valist (libgobject-2.0.so.0 + 0x33bc9)
                                                              #17 0x00007fc9f0deed34 g_signal_emit (libgobject-2.0.so.0 + 0x33d34)
                                                              #18 0x00007fc9f0efad19 n/a (libgio-2.0.so.0 + 0xddd19)
                                                              #19 0x00007fc9f0efae6c g_application_run (libgio-2.0.so.0 + 0xdde6c)
                                                              #20 0x000055cca362b423 n/a (pamac-manager + 0xd423)
                                                              #21 0x00007fc9f088d850 n/a (libc.so.6 + 0x23850)
                                                              #22 0x00007fc9f088d90a __libc_start_main (libc.so.6 + 0x2390a)
                                                              #23 0x000055cca362b555 n/a (pamac-manager + 0xd555)
                                                              
                                                              Stack trace of thread 14798:
                                                              #0  0x00007fc9f096d2ed syscall (libc.so.6 + 0x1032ed)
                                                              #1  0x00007fc9f0d1fca7 g_cond_wait (libglib-2.0.so.0 + 0xafca7)
                                                              #2  0x00007fc9f0c95144 n/a (libglib-2.0.so.0 + 0x25144)
                                                              #3  0x00007fc9f0cff2fe n/a (libglib-2.0.so.0 + 0x8f2fe)
                                                              #4  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #5  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #6  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14821:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14809:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9eef5a411 n/a (libcurl.so.4 + 0x4c411)
                                                              #2  0x00007fc9eef5a892 n/a (libcurl.so.4 + 0x4c892)
                                                              #3  0x00007fc9eef54f39 curl_multi_poll (libcurl.so.4 + 0x46f39)
                                                              #4  0x00007fc9eef38ce7 curl_easy_perform (libcurl.so.4 + 0x2ace7)
                                                              #5  0x00007fc9eabe6c72 n/a (libflatpak.so.0 + 0x82c72)
                                                              #6  0x00007fc9eac1358e n/a (libflatpak.so.0 + 0xaf58e)
                                                              #7  0x00007fc9eaba60d9 n/a (libflatpak.so.0 + 0x420d9)
                                                              #8  0x00007fc9eac04412 n/a (libflatpak.so.0 + 0xa0412)
                                                              #9  0x00007fc9eabc566a flatpak_installation_fetch_remote_ref_sync_full (libflatpak.so.0 + 0x6166a)
                                                              #10 0x00007fc9eabc5838 flatpak_installation_fetch_remote_ref_sync (libflatpak.so.0 + 0x61838)
                                                              #11 0x00007fc9eac5ec42 n/a (libpamac-flatpak.so + 0xac42)
                                                              #12 0x00007fc9eac5f617 n/a (libpamac-flatpak.so + 0xb617)
                                                              #13 0x00007fc9f0a9c09d n/a (libpamac.so.11 + 0x4809d)
                                                              #14 0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #15 0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #16 0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14820:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14822:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14823:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14811:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9f0d27c2f n/a (libglib-2.0.so.0 + 0xb7c2f)
                                                              #2  0x00007fc9f0cc80e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2)
                                                              #3  0x00007fc9e86d7fde n/a (libdconfsettings.so + 0x5fde)
                                                              #4  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #5  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #6  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14824:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14861:
                                                              #0  0x00007fc9f096d2ed syscall (libc.so.6 + 0x1032ed)
                                                              #1  0x00007fc9f0d20533 g_cond_wait_until (libglib-2.0.so.0 + 0xb0533)
                                                              #2  0x00007fc9f0c95115 n/a (libglib-2.0.so.0 + 0x25115)
                                                              #3  0x00007fc9f0c95277 g_async_queue_timeout_pop (libglib-2.0.so.0 + 0x25277)
                                                              #4  0x00007fc9f0cffbee n/a (libglib-2.0.so.0 + 0x8fbee)
                                                              #5  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #6  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #7  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14825:
                                                              #0  0x00007fc9f08edf0e n/a (libc.so.6 + 0x83f0e)
                                                              #1  0x00007fc9f08f07a0 pthread_cond_wait (libc.so.6 + 0x867a0)
                                                              #2  0x00007fc9af730dfc n/a (iris_dri.so + 0xc7dfc)
                                                              #3  0x00007fc9af7796ec n/a (iris_dri.so + 0x1106ec)
                                                              #4  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #5  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14799:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9f0d27c2f n/a (libglib-2.0.so.0 + 0xb7c2f)
                                                              #2  0x00007fc9f0cc80e2 g_main_context_iteration (libglib-2.0.so.0 + 0x580e2)
                                                              #3  0x00007fc9f0cc8132 n/a (libglib-2.0.so.0 + 0x58132)
                                                              #4  0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #5  0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #6  0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14831:
                                                              #0  0x00007fc9f0967c0f __poll (libc.so.6 + 0xfdc0f)
                                                              #1  0x00007fc9f0d27c2f n/a (libglib-2.0.so.0 + 0xb7c2f)
                                                              #2  0x00007fc9f0cc9fef g_main_loop_run (libglib-2.0.so.0 + 0x59fef)
                                                              #3  0x00007fc9f0f1bef3 g_dbus_connection_send_message_with_reply_sync (libgio-2.0.so.0 + 0xfeef3)
                                                              #4  0x00007fc9f0f20ccb n/a (libgio-2.0.so.0 + 0x103ccb)
                                                              #5  0x00007fc9eaba6d81 n/a (libflatpak.so.0 + 0x42d81)
                                                              #6  0x00007fc9eabce5aa flatpak_installation_update_appstream_full_sync (libflatpak.so.0 + 0x6a5aa)
                                                              #7  0x00007fc9eabc848a flatpak_installation_update_appstream_sync (libflatpak.so.0 + 0x6448a)
                                                              #8  0x00007fc9eac5cdfb n/a (libpamac-flatpak.so + 0x8dfb)
                                                              #9  0x00007fc9f0a9b1d2 n/a (libpamac.so.11 + 0x471d2)
                                                              #10 0x00007fc9f0cfcd75 n/a (libglib-2.0.so.0 + 0x8cd75)
                                                              #11 0x00007fc9f08f144b n/a (libc.so.6 + 0x8744b)
                                                              #12 0x00007fc9f0974e40 n/a (libc.so.6 + 0x10ae40)
                                                              
                                                              Stack trace of thread 14920:
                                                              #0  0x00007fc9f0974e2d n/a (libc.so.6 + 0x10ae2d)
                                                              #1  0x00007fc99000e240 n/a (n/a + 0x0)
                                                              ELF object binary architecture: AMD x86-64
░░ Subject: Process 14797 (pamac-manager) dumped core
░░ Defined-By: systemd
░░ Support: https://forum.manjaro.org/c/support
░░ Documentation: man:core(5)
░░ 
░░ Process 14797 (pamac-manager) crashed and dumped core.
░░ 
░░ This usually indicates a programming error in the crashing program and
░░ should be reported to its vendor as a bug.
Aug 11 20:35:50 vincent-aspirea31553 konsole[16999]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:35:50 vincent-aspirea31553 konsole[16999]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:36:28 vincent-aspirea31553 sudo[17053]: pam_unix(sudo:auth): conversation failed
Aug 11 20:36:28 vincent-aspirea31553 sudo[17053]: pam_unix(sudo:auth): auth could not identify password for [vincentw]
Aug 11 20:37:21 vincent-aspirea31553 konsole[17211]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:37:21 vincent-aspirea31553 konsole[17211]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:37:40 vincent-aspirea31553 konsole[17288]: kf.xmlgui: Shortcut for action  "" "Show SSH Manager" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:37:40 vincent-aspirea31553 konsole[17288]: kf.xmlgui: Shortcut for action  "" "Show Quick Commands" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Aug 11 20:54:22 vincent-aspirea31553 pulseaudio[1259]: Error opening PCM device front:0: No such file or directory
Aug 11 20:54:22 vincent-aspirea31553 pulseaudio[1259]: Error opening PCM device front:0: No such file or directory
Aug 11 20:54:23 vincent-aspirea31553 kernel: watchdog: watchdog0: watchdog did not stop!

So pamac crashes. But did you update with pacman -Syu? I meant that log.

O.k pamac upgrade --force-refresh seems to have worked.

The problem is, I tried it before and it also worked, but the error came back later.
I will mark this as the solution if no one can see something in the logs I provided.

When I run that, I get this:

 core is up to date
 extra is up to date
 community is up to date
 multilib is up to date
:: Starting full system upgrade...
warning: manjaro-hello: local (0.7.0-6) is newer than extra (0.7.0-5)
 there is nothing to do

pacman and pamac package database is different.
I dont know why they suggested running pacman -Syyu to fix pamacs db issue.

O right. Thank cscs, I didn’t even notice that.
Since the advice you gave solved the issue for now, I am going to mark it as the solution.
Hopefully it remains fixed.
Thank you again!

You are right, but i just wanted to be sure that pamac is the latest version. Because there were some problems with it recently. And the mirrors update could not hurt too.

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