Packaging Error (Ensure condition failed: GetSuperClass() [File:D:\Build\++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Engine\Private\BlueprintGeneratedClass.cpp] [Line: 1236])

This Function isn’t found in BlueprintGeneratedClass.cpp in 4.15 which is why i can cook fine any idea on what issue its picking up?

bool UBlueprintGeneratedClass::NeedsLoadForServer() const
{
	if (!HasAnyFlags(RF_ClassDefaultObject))
	{
		if (ensure(GetSuperClass()) && !GetSuperClass()->NeedsLoadForServer())
		{
			return false;
		}
		if (ensure(ClassDefaultObject) && !ClassDefaultObject->NeedsLoadForServer())
		{
			return false;
		}
	}
	return Super::NeedsLoadForServer();
}