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Icons of class method VIs suddenly cleared

I have a project with several classes. I create the most of the icons of the methods of those classes using the ctrl+k shortcut from the quick drop. Multiple times now I had the problem that I open the project and the icons of some (not all!) classes are blank and I have to manually redo all the icons.

It happens so sporadically that I haven't found a pattern and I don't know how to recreate the issue. But I hope that someone does. I'm using LabVIEW 2021 32bit (without SP1).

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Hi,

there is a bug in LabVIEW 2021.

See:  https://forums.ni.com/t5/LabVIEW/NI-Library-Icon-problems-in-classes/m-p/4267032#M1243101

Maybe this is your problem.

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