Why an asynchronous call would lead to "the VI is not executable. The full development version... »

I built a labview moderately complex program to connect with a new parser that I build.  To briefly describe the application, the main VI is a user interface which, in an initialization step, asynchronously calls a dozen other screws each called VI is a state machine that handles communication with a component specific for my parser, whether heat controllers, regulators debit, NI DAQmx channels, a SQL database, etc..  I use the VFG and/or EI to communicate information between the main VI and each component. The system works well when it passes through NI Labview 2012 SP1 (full development Version).  I build the project successfully, but when I run the construction (on the same development machine), I encounter the "the VI is not executable.  The full development of LabVIEW version is needed to correct errors"message.

My first troubleshooting step that was supposed to isolate the problem.  I removed all the asynchronous calls, rebuilt and the program works without errors (granted, no State machines that handle I/O bundles are running). This gave me the impression that my UI screws are not the problem.

The next step that I took was to create a test project with a simplified user interface to call asynchronously, and control a single component.  The first part, I tried to control a heating unit, and it works perfectly.  I have build it and run without errors or problems.

Thinking that the component should not be a problem, I add the async call for this component in my main VI, to test it.  This works well in the built environment of Labview development, without errors, but alas, I get the same message as the "VI is not executable' when I try to run the build.

I am at a loss on how to make trouble, or it could be the cause of the problem.  Why an asynchronous call to the VI even break the construction of an executable project, but don't cause problems in an executable of side projects?


Tags: NI Software

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