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QuickBooks Online Error Code: (120)

Issue:

  • QuickBooks Online 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:

  • Clio Manage
  • QuickBooks Online

Additional Information:

n/a

Cause:

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

Resolution:

  • Disconnect the sync by Revoking, then set up the sync with an enabled user (see here)
  • If this does not resolve the issue, contact Clio Support (see here)

 

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