Scheduled backups fails since update to Plesk Obsidian 18.0.47: expected str, bytes or os.PathLike object, not int

Updated February 01, 2024 15:33

kb: bug Plesk for Windows kb: fixed Plesk for Linux

Applicable to:

Scheduled backups can not be created with no errors in Plesk GUI.
Plesk admin receives the following message:

CONFIG_TEXT: <www.example.com> An error occurred during the scheduled backup.
Server
Plesk entry point: https://panel.example.com/
The following errors occurred during the scheduled backup process:
expected str, bytes or os.PathLike object, not int
A similar error can be found in the /var/log/plesk/PMM/backup-2022-XX-XX-XX-XX-XX-XXX/pmmcli.log
Plesk has been recently updated to Plesk Obsidian 18.0.47.

Product issue:

#PPPM-13739 "Creation of a remote backup with the enabled “Create a multivolume backup, volume size (MB)” option no longer results in the “Error: The backup process failed: expected str, bytes or os.PathLike object, not int” error."
Fixed in:
- Plesk Obsidian 03 October 2022

Please consider updating your server:

In case the update is not possible for some reason use the following

workaround

Disable the Create a multivolume backup, volume size (MB) option in backup task settings: