# vzdump --suspend --dumpdir /home/user/backup 004
INFO: Starting new backup job - vzdump --suspend --dumpdir /home/user/backup 004
Use of uninitialized value $vmtype in concatenation (.) or string at /usr/sbin/vzdump line 1308.
INFO: Starting Backup of VM 004 ()
Use of uninitialized value $dir in -d at /usr/sbin/vzdump line 763.
Use of uninitialized value $dir in concatenation (.) or string at /usr/sbin/vzdump line 763.
ERROR: Backup of VM 004 failed - directory '' does not exist
# vzdump --dumpdir /home/user/backup/vps4 --snapshot 004
INFO: Starting new backup job - vzdump --dumpdir /home/user/backup/vps4 --snapshot 004
Use of uninitialized value $vmtype in concatenation (.) or string at /usr/sbin/vzdump line 1308.
INFO: Starting Backup of VM 004 ()
Use of uninitialized value $dir in -d at /usr/sbin/vzdump line 763.
Use of uninitialized value $dir in concatenation (.) or string at /usr/sbin/vzdump line 763.
ERROR: Backup of VM 004 failed - directory '' does not exist