Data Shuttle Error 400

Does anyone have experience unlocking the Google Drive authorization error when trying Sheet Export or Data Shuttle offload? Our Google security team believes they have "unlocked" Google Access because we are now able to attach files from Google Drive to a sheet, but when trying to offload or export we are faced with this error:

I can ask them to adjust the security policy further, but they're not sure what to do. Does anyone know specifically what needs to be changed on the Google side?