Thats interesting, thx. I found an empty MyProject2Classes.h
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
/*===========================================================================
C++ class boilerplate exported from UnrealHeaderTool.
This is automatically generated by the tools.
DO NOT modify this manually! Edit the corresponding .h files instead!
===========================================================================*/
#pragma once
Only 4 whitespaces in it and thats it. So i cleaned the solution and rebuild it, but that didn’t help. Then i deleted the Intermediate files and generated new Visual Studio Files (rightclick on the uproject file) but still an empty MyProject2Classes.h