Error Message 10155

The backup cannot continue at this time. The application cannot delete the data related to previous failed backup session because the backup destination is unavailable. The system error is <parameter>. The application will rectify the problem when a backup job runs later.?

Symptom

Backup job couldn't continue because, due to system error, it cannot clean data left by previous unsuccessful backup job.

Solution

Check the backup job log to get more information.