Internal Server Error: /gb/adhocBackup

[rock3r-swe]

Trying to run adhocBackup but get 500 Internal Server error as a response.

Stacktrace
INFO:oauth2client.client:Refreshing access_token INFO:oauth2client.transport:Attempting refresh to obtain initial access_token INFO:oauth2client.client:Refreshing access_token WARNING:googleapiclient._helpers:build() takes at most 2 positional arguments (3 given) INFO:googleapiclient.discovery:URL being requested: GET https://www.googleapis.com/discovery/v1/apis/drive/v3/rest INFO:googleapiclient.discovery:URL being requested: GET https://www.googleapis.com/drive/v3/files?q=name%3D%27configuration.yaml%27+and+%_backupDirID_%27+in+parents+and+trashed+%3D+false&spaces=drive&fields=files%28id%2C+name%29&alt=json INFO:root:Deleted 0 files named configuration.yaml from Google Drive. INFO:root:Backing up /config/configuration.yaml to _backupDirID_ ERROR:root:Traceback (most recent call last): File "/googlebackup/gb/views.py", line 49, in adhocBackup adhocBackupResult = adhocBackupFiles(fromPatterns, backupDirID, request.build_absolute_uri('/')) File "/googlebackup/gbcommon.py", line 225, in adhocBackupFiles backupFile(file, backupDirID, drive_service, MIMETYPE, TITLE, DESCRIPTION) File "/googlebackup/gbcommon.py", line 141, in backupFile logging.debug("MIMETYPE = " + MIMETYPE) TypeError: can only concatenate str (not "NoneType") to str INFO:root:googlebackup adhocBackup result: {'errorMessage': 'can only concatenate str (not "NoneType") to str'} ERROR:django.request:Internal Server Error: /gb/adhocBackup

[aramod]

Doesn't work on shared drives