Dear colleagues, I am currently in training and while trying out using Action Flows connections to Google sheets/Docs I get a 401 error, "this app has been blocked". How can I allow the connection to Google sheets?(the C Documentation method did

I've also tried to create an Action Flow connecting to Celonis, using the Application KeyI get varying errors, from 401 to "Invalid Application Key"(which should be valid, I copied it from Admin and settings->applications after previously creating an asset. Weirdly enough I have made a successful connection to Slack 2 months ago.