Ghost system backup entry

Backup failed! See the progress output above for the reason why. Total backup time was 00 minutes, 26 seconds.

Virtual servers that failed :
1450thesource.org
theministerium.org
wthu.org
Sent by Virtualmin at:*****

Failed to connect to SSH server : ***** password:
Permission denied, please try again.
Received disconnect from 2(my server): Too many authentication failures for backup lost connection

I have removed the backup job earlier yesterday. This job is still trying to run. Any ideas?