Error 2261 from Intuit Data Protect Backup Failed email notification.
Error 2261 means you have exceeded the amount of backend storage space allotted for your Intuit Data Protect subscription.
Intuit recommends more than one solution for this problem. The first solution may solve your problem, or you may need to try all of them to resolve the issue. For best results, perform the solutions in the order shown.
Solution 1: Reduce the size of the files that you are backing up
Solution 2: Purge Data
Restore Files from Intuit Data Protect