Backup fails to restore: /usr/lib/plesk-9.0/sw-tar: bin/vi: Cannot open: File exists

Symptoms

• Backup restoration finished with a warning: 

  Restoration of the backup  31 / May / 2018 22.34 completed, but some problems have occurred to restore. Download log file View log Close this message.

• In the downloaded log file the following error is shown :

  WARNING: (Restore hosting object 'example.com') Can not deploy content of domain example.com
  WARNING: () Archive error: Unable to extract files from /var/lib/psa/dumps/domains/example.com/backup_user-data_1805312234.tgz to /var/www/vhosts/example.com: /usr/lib/plesk-9.0/sw-tar: bin/head: Cannot open: File exists
  /usr/lib/plesk-9.0/sw-tar: bin/vi: Cannot open: File exists
  /usr/lib/plesk-9.0/sw-tar: bin/rmdir: Cannot open: File exists
  /usr/lib/plesk-9.0/sw-tar: bin/wget: Cannot open: File exists
  /usr/lib/plesk-9.0/sw-tar: bin/mkdir: Cannot open: File exists
  [...]

• The domain has Scheduled tasks, which are included in the backup;
• In Domains > example.com > Web Hosting Access > Access to the server over SSH is set to Forbidden. 
• In Tools & Settings > Scheduled Tasks > Settings, shell is set to /bin/bash (chrooted).

Cause

Resolution

Workaround

If update is not possible for some reason you may try the following