Google Analytics import fail

Trying to import a large amount of data from Google Analytics (11 years) after a migration to Matomo Cloud. The importer is configured in Google Cloud and I can begin the import, but I get the following error:

Error message: Error on day (unknown), { “error”: “invalid_grant”, “error_description”: “Bad Request” }
These errors are unexpected and will likely continue every time you run the import on this day.

I’ve attempted making the import range shorter, but still get the same error message. Not sure if it’s rate limited or something else. Unsure what “invalid_grant” refers to. I mean, invalid_grant errors seem to be a common thing but I don’t have the code skills to troubleshoot.