I get a crash immediately when trying to do your GPUlightmass in one project: Assertion failed: IsValid() [File:E:\UE5\Engine\Plugins\Experimental\GPULightmass\Source\GPULightmass\Private\EntityArray.h] [Line: 203]
Strange thing is: I don’t have an E drive. If I look in the default UE dir and that file, line 203 is part of a method(?) called ‘int32 GetElementIdChecked’. Any suggestion what I should be looking for that can cause this crash?
Edit: in another project I dont get a crash so I guess its something ‘strange’ in my project