Hi,
1.This error could be related to the memory space if the duplicate job is targeted to the disk using the Backup to Disk folder.Hence, please check the available free space on the disk.
2. Please disable any Antivirus software if running.
For the correct diagnostics, please isolate the issue.
Perform backup using Backup to Disk folder. This step is for test purpose only. Please revert to us with the result.
If the problem still persists, one of the possible solution is to increase RAM .