404. That’s an error.

The requested URL /batch/drive/v2beta?%24ct=multipart%2Fmixed%3B%20boundary%3D%22%3D%3D%3D%3D%3Dyvxrvjl8juiv%3D%3D%3D%3D%3D%22&key=AIzaSyC1qbk75NzWBvSaDh6KnsjjA9pIrP4lYIE was not found on this server. That’s all we know.