Error -1 on Get Engine Reference Method on a TestStand User Interface

Updated Jun 1, 2023

Reported In


  • TestStand

Issue Details

I've developed a customer User Interface in LabVIEW to execute Sequence files from TestStand. However when using the Get Engine Method I'm getting error -1: 
​​​Incorrect Function.

Below a screenshot with the error:


To troubleshoot the issue follow the steps:
  • Make sure to use only one Application Manager control in your User Interface.
  • Use always the same application manager reference during the execution of the application.