Category Archives: duplicati

Fixing duplicati unexpected difference in fileset

Duplicati is a nice backup tool that is cross platform. However sometimes it has issues. This post gives one solution for dealing with the error “Unexpected difference in fileset version”.

  1. Open the duplicati web page
  2. Pay attention to the fileset version number in the error message.
  3. Dismiss the error
  4. Click on the troubled backup
  5. Click on commandline
  6. Change the command at the top to delete
  7. Clear out the commandline arguments field
  8. Put “–version=XX” in the commandline arguments field (change XX to version specified in the error message)
  9. Click Run “delete” command now at the bottom right
  10. Wait
  11. Execute a new backup and see if there are errors
  12. Repeat if necessary