OIC Gen3: Google Drive API Failure

Summary:

We’re utilizing a REST connection to call Google APIs and upload files from OIC to Google Drive. The REST API connection functioned perfectly in Gen2, but after the Gen3 upgrade, we’re encountering an error. Has anyone successfully used Google APIs in Gen3?

CASDK-0005: A connector specific exception was raised by the application. Missing refresh token to retrieve access token

Content (please ensure you mask any confidential information):

We are using following details in the REST API Connection configuraiton.

Base URL: https://www.googleapis.com/
Security Policy: OAuth Authorization Code Credentials
Authorization Code URI: https://accounts.google.com/o/oauth2/v2/auth