To solve the above sync error, follow these steps:Open ProcureDesk.Navigate to the document.Open the document.Go to Actions.Click on Send for Integration.Related ArticlesAuthorization FailureAuthorization Failure: Unknown error during Authentication, status code: 500Business Validation error: Another user is currently accessing this company.Bill.com sync error: Cached plan must not change result type.QuickBooks Online Error Sync: TRDeadlockDetectedQuickBooks Desktop Error: Check the "qbsdklog.txt" file for additional information