Fatal Internal Error drawmgr.cpp At NI Real-Time Target LabVIEW Front Panel Using Web Publishing Tool

Updated Jan 28, 2025

Reported In

Operating System

  • LabVIEW Real-Time (NI Linux Real-Time)

Issue Details

I created a LabVIEW RTEXE and deployed to a NI Linux Real Time target. I managed to access the RTEXE front panel using web browser but when I click any front panel objects that are displaying popup or dialog, the below error occurred.

How can I solve this error? Is LabVIEW Web Publishing Tools did not support popup or dialog boxes?

 

error web publish.png

 

Fatal Internal Error 0xA58BAE3A : "drawmgr.cpp", line 5125
LabVIEW version 19.0.1 f5
You will lose any unsaved work. For assistance in resolving this problem, please relaunch LabVIEW, or contact National Instruments.

Solution

This is expected behavior due to the fact that LabVIEW real-time does not support dialog boxes or popup. The same HTML should be able to show popup when the VI itself is running in Windows.

For real-time target, refrain from using popup or dialog in the front panel and reconsider different methods to input or output data.

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