Error 1634 When Running Actor Framework Code in the Run-Time Engine

Updated Sep 13, 2021

Reported In


  • LabVIEW
  • LabVIEW Runtime

Issue Details

I get error 1634 when I try to run my Actor Framework application as an executable. Error does not occur in the development environment. How can I run this application in the run time engine? 


The reason for the error is due to the Launch Root Actor VI and Launch Nested Actor VI that have an input to open the front panel. This input only works in the development environment and not in the run time engine. 

To open the front panels in the run time environment, you can use either of the following options:
  • Add an invoke node to call "FP.Open" to the Actor Core VI
  • Customize the Window Appearance of the Actor Core VI to show the front panel when called

Additional Information

In order for the above methods to work, make sure the input to open the front panel in Launch Root Actor VI and Launch Nested Actor VI have a "False" constant connected.