INFO: mode failure - unable to detect lvm volume group

Hello, good afternoon

This is my first post, I salute the community.

Please could someone tell me where the failure or which direction to take?

***

INFO: starting new backup job: vzdump 101 --remove 0 --mode snapshot --compress
gzip --storage Copias_75 --node nsxxxxxx
INFO: Starting Backup of VM 101
(openvz)
INFO: CTID 101 exist mounted running
INFO: status =
running
INFO: mode failure - unable to detect lvm volume group
INFO:
trying 'suspend' mode instead
INFO: backup mode: suspend
INFO: ionice
.
.
.
INFO: Backup job finished
successfully
TASK OK


Thanks for all