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Error 1502 occurred at AB_Source_VI.lvclass:Close_Reference.vi -> AB_Build.lvcla

Error 1502 occurred at AB_Source_VI.lvclass:Close_Reference.vi -> AB_Build.lvclass:Save.vi -> AB_Build.lvclass:Copy_Files.vi -> AB_Application.lvclass:Copy_Files.vi -> AB_EXE.lvclass:Copy_Files.vi -> AB_Build.lvclass:Build.vi -> AB_Application.lvclass:Build.vi -> AB_EXE.lvclass:Build.vi -> AB_Build.lvclass:Build_from_Wizard.vi -> AB_UI_Frmwk_Build.lvclass:Build.vi -> AB_UI_FRAMEWORK.vi -> AB_Item_OnDoProperties.vi -> AB_Item_OnDoProperties.vi.ProxyCaller

Possible reason(s):

LabVIEW:  Cannot save a bad VI without its block diagram.

Message 1 of 4
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Me too!

 

Update: Enable Debug resolved the issue.

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Message 2 of 4
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I also found that enabling debugging  eliminated the error 1502 during build, but then I looked and found a Boolean constant wired to the selector terminal of a True/False case structure.  Changing that Boolean constant to a control allowed us to turn debugging back off.

 

 

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