cannot write block no space left on device

Hi, While trying to update the Proxmox server, the "/dev/nvme1n1p2" ran out of space. Searched already for the same issue but could not find the right solution yet. What to do? 1. Get rid of the "config-6.5.13-5-pve", "initrd.img-6.5.13-5-pve", "System.map-6.5.13-5-pve" and...