Sep 19 16:10:54 Tower kernel: sd 14:2:0:0: [sdl] tag#25 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=0s
Sep 19 16:10:54 Tower kernel: sd 14:2:0:0: [sdl] tag#25 Sense Key : 0x5 [current]
Sep 19 16:10:54 Tower kernel: sd 14:2:0:0: [sdl] tag#25 ASC=0x21 ASCQ=0x4
Sep 19 16:10:54 Tower kernel: sd 14:2:0:0: [sdl] tag#25 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00
Sep 19 16:10:54 Tower kernel: I/O error, dev sdl, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
Sep 19 16:10:54 Tower kernel: ata14: EH complete
Sep 19 16:10:54 Tower kernel: BTRFS error (device sdi1): bdev /dev/sdl1 errs: wr 0, rd 0, flush 1, corrupt 0, gen 0
This is a hardware issue, btrfs errors come after because it can't write to the filesystem, start by replacing/swapping cables.
P.S. also need to check filesystem on the device below:
Sep 19 16:10:04 Tower kernel: XFS (nvme0n1p1): Unmount and run xfs_repair