Backup restoration warning in Plesk: An error occurred while updating domain settings: Cannot set limit 'disk_space_soft' value to '80'

Symptoms

• Restore of a backup in Plesk is completed with the warning below:

  PLESK_WARN: WARNING: (Restore domain object 'example.com')
  
  Execution of /usr/local/psa/admin/plib/api-cli/domain_pref.php
  --update example.com -disk_space_soft 80B -ignore-nonexistent-options failed with return code 1.
  Stderr is
  An error occurred while updating domain settings: Cannot set limit 'disk_space_soft' value to '80'

• The same warning message may appear during migration.

Cause

This is a Plesk bug with ID PPPM-10643.

Resolution

This warning can be safely ignored.

As a workaround, update the disk_space_soft value:

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