Error Code 502 Explanation
Error Code 502
Description:This code indicates that Google experienced a server error in trying to access the content that Spanning attempted to download. This issue is typically a transient issue with Google.
Next Steps:This error typically clears up after a day or two, so let a few more backup cycles run. If this error persists, please contact our Support team.
Contacting SupportIf you have any questions or run into any problems, please don't hesitate to contact us at firstname.lastname@example.org. Please include the Google account name that has the failure, plus details like filenames, dates, and error codes.