cRIO VI not working

[munirh070]

I am trying to run a VI on cRIO-9049. It works fine on my Windows PC, but when I run it on cRIO, the following dialog appears and the VI is stuck: "File dialog needs to be operated on the machine running the application before debugger UI is unlocked".

[rolfk · Accepted solution]

Your cRIO is normally headless, meaning it has no GUI itself. You have either an explicit call to the File Dialog or use a File Open function with an empty path input. That works fine on your Windows computer as you simply get the file dialog and can choose the file you want to open/create. On the cRIO there is no display to show the dialog on and hence you get this error.

You need to change your software to specify a valid path on your cRIO. And you need to be aware of that your cRIO has its own Unix filesystem which is different than on your Windows computer, so you need to adapt the path to that.