Current status (6/10/2016) – Our engineers are still working to determine what is causing this unexpected behavior.  In the meantime, requesting a brand new export file should help you complete your export  and thank you for your patience. 

QuickBooks Online customers are attempting to convert data from QuickBooks Online to Desktop. […]

Resolution for 'complete their export issue: 'I’m converting data from QBO to Desktop. When following the export data flow an “Unexpected result code from server” error comes up and I can’t complete my export. Why?' available: Yes.

The complete their export issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the complete their export issue yourself by looking for a resolution described in the article. If it is a complex complete their export issue or you are unable to solve the issue, you may contact us by clicking here or by using other complete their export support options.

For more information about resolving issues related to complete their export in Quickbooks/QBO or to get support for the issue 'I’m converting data from QBO to Desktop. When following the export data flow an “Unexpected result code from server” error comes up and I can’t complete my export. Why?', click the link below: