Locking LabVIEW Project Libraries and Building Applications

[frederik10]

I am an inexperienced LabView programmer trying to buils an stand alone application. I am finding the same problem as reported:

Error 1562 occurred at Property Node (arg 1) in AB_Engine_Find_Unreferenced_Library_Members.vi->AB_Source_Library.lvclass:Copy_SourceItem.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:  The specified project or library is locked.

How can I work around this? Any help please.....

regards

Fred Vorster

[DuncanW]

The workaround I found worked was to uncheck the 'Modify project library file after removing unused members' from the Additional Exclusions properties page in the Build.

Hope that works

Duncan

[gglaser]

I did experience the same problem this morning - and got it resoved by deleting the existing application builder configuration and creating a new one with the exact same settings. Hope this helps.

[abqjeff]

Duncan's fix worked for me - thanks for finding the work around

[jackwhelan]

I was trying to build a Packed Library and was getting the error on Lv2018 x64

Error 1 occurred at Property Node (arg 2) in AB_Engine_Find_Unreferenced_Library_Members.vi->AB_Source_Library.lvclass:Copy_SourceItem.vi->AB_Build.lvclass:Copy_Files.vi->AB_Build.lvclass:Build.vi->AB_PackedLibrary.lvclass:Build.vi->AB_Engine_Build.vi->AB_Build_Invoke.vi->AB_Build_Invoke.vi.ProxyCaller

Long story short I was able to fix by

1. "Find Missing Items" with Right Click on My Computer and remove all bad vis from Project

2. Uncheck everything in Additional Exclusions

3. Try to build again, which resulted in a new error which pointed a class that could not load correctly

4. Fixed bad class and rebuild, this worked

This build error message is very unclear and really needs fixing, Labview would truly wreck your head some days!