Update bug! Starting backup failed after update from 2.4.13 to 2.4.14

OS: Debian 10.
after update server from 2.4.13 to 2.4.14 error Starting backup failed:

Reboot client, and uninstall and install client didn’t help.

Server log attached.
urbackup.log (21.0 KB)

Try this:

  1. Check backup location permissions for urbackup user.
  2. Ensure your server configured correctly, this error Sending Identity to client... talks that you have problem with identity files. If it’s not a big deal then try to remove these files on server and clients. Restart both services after. Server will generate new identities. Then you should reregister clients. UrBackup - Frequently asked questions
  3. Ensure no network problems exists.
  4. Ensure client is ok: VSS must work correctly Free Diagnostics & Repair for Volume Shadow Copy Service
  5. Ensure that you have no pending updates on systems.
  6. Check status of server drive. smartctl(8) - Linux man page.
  7. Ensure you correctly configured Internet mode.