Error backing up with Borg

Hi!
I often get error messages about failed backups. The error is usually the following:

Code:

mar 6 mag 2025, 04:00:23, CEST PHP Warning:  chown(): Permission denied in /usr/local/ispconfig/server/lib/classes/backup.inc.php on line 2213
mar 6 mag 2025, 04:00:23, CEST PHP Warning:  chgrp(): Permission denied in /usr/local/ispconfig/server/lib/classes/backup.inc.php on line 2214
mar 6 mag 2025, 04:00:59, CEST log/access.log: file changed while we backed it up
mar 6 mag 2025, 04:01:01, CEST finished server.php.
mar 6 mag 2025, 04:01:02, CEST 06.05.2025-04:01 - ERROR - Backup of web files for domain example.com using path /var/www/clients/client1/web1 failed.
mar 6 mag 2025, 04:01:04, CEST PHP Warning:  chown(): Permission denied in /usr/local/ispconfig/server/lib/classes/backup.inc.php on line 2213
mar 6 mag 2025, 04:01:04, CEST PHP Warning:  chgrp(): Permission denied in /usr/local/ispconfig/server/lib/classes/backup.inc.php on line 2214
mar 6 mag 2025, 04:02:01, CEST finished server.php.

Do you know how I can prevent this?

Thanks!

 

Thanks! I will try