Perhaps the OAuth token is expiring during long backup jobs and needs to be renewed? Not sure what it is based on because our times vary widely.
https://developers.google.com/drive/api/v3/handle- errors#401_invalid_credentials This happens to me after first-time backup running for about 45 minutes. Then it fails with (same as OP's log): Giving up after 5 attempts. Error: gdata-service-error-quark: Authentication required: { "error": { "errors": [ { "domain": "global", "reason": "authError", "message": "Invalid Credentials", "locationType": "header", "location": "Authorization" } ], "code": 401, "message": "Invalid Credentials" } } Ubuntu 18.04.01 using: deja-dup 37.1-2fakesync1 duplicity 0.7.17-0ubuntu1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1747646 Title: Authentication error with google drive [$10] To manage notifications about this bug go to: https://bugs.launchpad.net/deja-dup/+bug/1747646/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
