What Causes QuickBooks Backup and Restore Errors?

https://quickbookhelpdesk.com/blog/fix-quickbooks-backup-restore-errors/

QuickBooks backup and restore errors can occur because of damaged company files, storage limitations, permission problems, network issues, or software conflicts. Fortunately, most issues can be resolved by checking storage space, verifying the company file, using local storage locations, updating QuickBooks, and running QuickBooks File Doctor.