Hi,
Could you paste the complete error message from the backup job log..?
Are you backing up data to a USB drive..?
If so, have you created a "Removable Backup to Disk folder" on the USB drive..?
Is the disk space on the USB drive enough for the backup job..?
NOTE : If we do not receive your reply within two business days, this post would be marked ‘assumed answered’ and would be moved to the ‘answered questions’ pool.