Also, from the content of your log-file, I've got the impression that there isn't a single well-formed backup chain in your backup directory. Can you check with:
ls -l /home/david/Dropbox/Backups -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1652410 Title: duja-dup AssertionError: ({1: 'duplicity- full.20161129T015237Z.vol1.difftar'} To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/deja-dup/+bug/1652410/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
