Quickbooks Error Code: (120)

Issue:

• Quickbooks Error Code (120): Authorization Failure: AuthorizationFailure: Unknown Error during Authentication, statusCode 500

• Duplicate Document Number Error AuthorizationFailure : XXX Accountant user was deleted while still connected to the company.

Environment:

• Syngency Manage

• Quickbooks Online

Additional Information:

• For a full list of Quickbooks Error Codes click here.

• To find Quickbooks errors click here.

Cause:

This occurs whenever the user who initially set up the Syngency to Quickbooks Online sync is disabled in Quickbooks.

Resolution:

• Disconnect the sync by Revoking, then set up the sync with an enabled user.

• If this does not resolve the issue, contact Syngency Support