Error backup from pve to pbs

hello! after upgrade pve i trying to do backup with pbs but see this issue:
INFO: starting new backup job: vzdump 100 --mode snapshot --remove 0 --storage Litel --node node1
INFO: Starting Backup of VM 100 (qemu)
INFO: Backup started at 2021-10-31 21:38:41
INFO: status = running
INFO: VM Name: Srv-1C
INFO: include disk 'virtio0' 'fast:100/vm-100-disk-0.qcow2' 120G
INFO: backup mode: snapshot
INFO: ionice priority: 7
INFO: creating Proxmox Backup Server archive 'vm/100/2021-10-31T14:38:41Z'...

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