Buildiso error: xorriso : FAILURE : Image size 8165122s exceeds free space on media 2104270s

[M78]

this is my buildiso output:

==> Making bootable image
==> Creating ISO image...
xorriso 1.5.6 : RockRidge filesystem manipulator, libburnia project.

Drive current: -outdev 'stdio:/var/cache/manjaro-tools/iso/manjaro/xfce/24.2.1/manjaro-xfce-24.2.1-241219-linux66.iso'
Media current: stdio file, overwriteable
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 4110m free
Added to ISO image: directory '/'='/var/lib/manjaro-tools/buildiso/xfce/iso'
xorriso : UPDATE :     820 files added in 1 seconds
xorriso : UPDATE :     820 files added in 1 seconds
xorriso : NOTE : Copying to System Area: 512 bytes from file '/var/lib/manjaro-tools/buildiso/xfce/iso/boot/grub/i386-pc/boot_hybrid.img'
libisofs: NOTE : Automatically adjusted MBR geometry to 2033/255/63
xorriso : FAILURE : Image size 8165122s exceeds free space on media 2104270s
libisofs: MISHAP : Image write cancelled
xorriso : NOTE : -return_with SORRY 32 triggered by problem severity FAILURE
==> ERROR: A failure occurred in make_iso().
    Aborting...

how can I increase the size of the temporary created mounts?
thx for any help!

[linux-aarhus]

You are running out disk space on your root device, and you need to release some space.

If you are using btrfs on your root - see the btrfs maintenance section on the wiki.

[M78]

Thx, that fixed it for me… had to delete the pacman cache