I have add a class inherited from USceneComponent, the code was auto generated from UE4 editor:
UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )
class MYPROJ_API UMySceneComponent : public USceneComponent
...
This class was created in constructor of another Actor:
AMyActor::AMyActor(const FObjectInitializer& ObjInit)
: Super(ObjInit)
{
PlacementNode = ObjInit.CreateDefaultSubobject<UMySceneComponent>(this, "PlacementNode ");
...
Once I changes some UCLASS attributes(such as add ShortTooltip), the UE4 editor will crash after I compile it:
UCLASS(ClassGroup = (Custom), meta = (BlueprintSpawnableComponent, ShortTooltip = "blabla"))
class MYPROJ_API UMySceneComponent : public USceneComponent
...
Stack trace:
UE4Editor-CoreUObject.dll!StaticAllocateObjectErrorTests(UClass * InClass, UObject * InOuter, FName InName, EObjectFlags InFlags) line 1639 C++
UE4Editor-CoreUObject.dll!StaticAllocateObject(UClass * InClass, UObject * InOuter, FName InName, EObjectFlags InFlags, bool bCanRecycleSubobjects, bool * bOutRecycledSubobject) line 1688 C++
UE4Editor-CoreUObject.dll!UClass::CreateDefaultObject() line 2502 C++
UE4Editor-CoreUObject.dll!FObjectInitializer::CreateDefaultSubobject(UObject * Outer, FName SubobjectFName, UClass * ReturnType, UClass * ClassToCreateByDefault, bool bIsRequired, bool bAbstract, bool bIsTransient) line 2644 C++
UE4Editor-MyProj-7949.dll!AMyActor::AMyActor(const FObjectInitializer & ObjInit) line 18 C++
UE4Editor-CoreUObject.dll!StaticConstructObject(UClass * InClass, UObject * InOuter, FName InName, EObjectFlags InFlags, UObject * InTemplate, bool bCopyTransientsFromClassDefaults, FObjectInstancingGraph * InInstanceGraph) line 2232 C++
UE4Editor-CoreUObject.dll!UClass::HotReloadPrivateStaticClass(unsigned int InSize, unsigned int InClassFlags, unsigned __int64 InClassCastFlags, const wchar_t * InConfigName, void (const FObjectInitializer &) * InClassConstructor, void (UObject *, FReferenceCollector &) * InAddReferencedObjects, UClass * TClass_Super_StaticClass, UClass * TClass_WithinClass_StaticClass) line 3368 C++