* Access the Admin Console: Log into your Google Workspace Admin Console.
* Select User A: Navigate to the Directory and select User A's account.
* Check Licenses: Under the Licenses section, check the current license type of User A. As User A holds a Basic License, they lack access to certain services available to Business License holders.
* Change License: Change User A's license from Basic to Business. This can be done by assigning the Business License to User A within the Licenses section.
* Verify Access: After changing the license, verify that User A can now access Google Drive and Docs without any errors.
References
* Google Support: Assign or remove a user license