I am not able to upgrade my Manjaro KDE Plasma System. Here is the error I am getting the following error. Even upgrading from Add/Remove Software is providing the same error.
[amartyasinha918@amartya-hp ~]$ sudo pacman -Syu
[sudo] password for amartyasinha918:
:: Synchronizing package databases…
core is up to date
extra is up to date
community is up to date
multilib is up to date
:: Starting full system upgrade…
resolving dependencies…
looking for conflicting packages…
Packages (1) mesa-21.0.3-3
Total Download Size: 15.81 MiB
Total Installed Size: 90.74 MiB
Net Upgrade Size: 0.00 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages…
mesa-21.0.3-3-x86_64 15.8 MiB 2.21 MiB/s 00:07 [############################] 100%
(1/1) checking keys in keyring [############################] 100%
(1/1) checking package integrity [############################] 100%
error: mesa: signature from “Laurent Carlier lordheavym@gmail.com” is invalid
:: File /var/cache/pacman/pkg/mesa-21.0.3-3-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n]
In case you need my system details, check them below.
[amartyasinha918@amartya-hp ~]$ screenfetch
██████████████████ ████████ amartyasinha918@amartya-hp
██████████████████ ████████ OS: Manjaro 21.0.4 Ornara
██████████████████ ████████ Kernel: x86_64 Linux 5.10.34-1-MANJARO
██████████████████ ████████ Uptime: 28m
████████ ████████ Packages: 1396
████████ ████████ ████████ Shell: bash 5.1.4
████████ ████████ ████████ Resolution: 1366x768
████████ ████████ ████████ DE: KDE 5.81.0 / Plasma 5.21.4
████████ ████████ ████████ WM: KWin
████████ ████████ ████████ GTK Theme: Chrome-OS-master [GTK2/3]
████████ ████████ ████████ Icon Theme: Tela-dark
████████ ████████ ████████ Disk: 382G / 935G (42%)
████████ ████████ ████████ CPU: Intel Core i7-8565U @ 8x 4.6GHz [65.0°C]
████████ ████████ ████████ GPU: Mesa Intel® UHD Graphics 620 (WHL GT2)
RAM: 3253MiB / 15897MiB