Backup mount-cifs fails on version 7.6.1810

Good day,
Unfortunately, the backup imm fails for a week!

Backup: backup-data
Backup started at 2019-04-26 18:39:36
Pre backup scripts status: SUCCESS
mkdir /mnt/backup-backup-data: File exists at /etc/e-smith/events/actions/mount-cifs line 68.
Can’t mount /mnt/backup-backup-data
Action ‘backup-data-duplicity backup-data’: FAIL
Backup status: FAIL

Log file: /var/log/backup/backup-backup-data-201904261839.log