App crashes when I try to get the position attribute of a QMesh (Qt 5.15.2)

[d_stranz]

I have another model called "monster.ply". Changing the name in the setSource() method caused the other model to be loaded and I always get the same error

But is it now working otherwise? You can access the geometry() without a crash? If so, then I wouldn't worry about the confusing error.