Google ads api OAuth client deleted

Hello, I was using the Google ads api a few months back and everything was working fine. Today when I tried to use the same I get the following error ('deleted_client: The OAuth client was deleted.', {'error': 'deleted_client', 'error_description': 'The OAuth client was deleted.'}) in python.

Google Ads API Insufficient authentication scopes error

Hello, I am trying to use the Google Ads API to try and get reports from Google ADs. I am using the code similar to this. https://developers.google.com/google-ads/api/docs/reporting/example I also have a basic access to the Google Ads Account. Everytime I run the script to get reports I get the