Backup error - basename: missing operand

[John Allison]

Recently I noticed that whilst our backups work, there is always an error at the end of the log that reads like the text below:

INFO: adding notes to backup
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: mv: cannot stat '': No such file or directory
INFO: Finished Backup of VM 446 (00:24:15)
INFO: Backup finished at 2024-05-23 14:44:42
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: basename: missing operand
INFO: Try 'basename --help' for more information.
INFO: mv: cannot stat '': No such file or directory
INFO: ls: cannot access '*.log': No such file or directory
INFO: Backup job finished successfully
INFO: notified via target `mail-to-root`
TASK OK

Any ideas what is causing this and how to fix?
We have 7 proxmox servers with various backup locations, but all are showing the same error.

 

[bbgeek17]

Do you have a post-backup hook script by chance?

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