The following error occurred during the scheduled backup process:
pmm-ras failed (Error code = 1): Failed to open file '/var/lib/psa/dumps/.run': Is a directory
There are custom files in
.xml extension which prevent backup from running.
This behavior is considered as a bug with ID PPPM-12328.
Until the bug is fixed:
Connect to the server via SSH.
Move non-Plesk related
/var/lib/psa/dumps/to somewhere else. For example to root
# mv /var/lib/psa/dumps/custom.xml ./
Wait for the next scheduled backup task to run.