Snapper : IO Error (.snapshots is not a btrfs subvolume)

[Jinh]

Hello
Seems similar to my issue see here

Btrfs subvolume error

Hello. Yesterday I rollback a btrfs snapshot follow this Restoring snapshots to get the system back to working state | Garuda Linux wiki I notice this morning some error on the subvolume snapshot and snapshot not working anymore System: Kernel: 5.15.31-1-lts arch: x86_64 bits: 64 compiler: gcc v: 11.2.0 parameters: BOOT_IMAGE=/@/boot/vmlinuz-linux-lts root=UUID=ece8ff72-3221-4048-b7f2-fb09c55ff932 rw rootflags=subvol=@ quiet quiet splash rd.udev.log_priority=3 vt.global_cursor_d…

Can you give us output

sudo btrfs subvolume list /