Correct. This is a community helping here. If you need Unreal Engine developer’s help. You will need to buy a license for UDN (Unreal developer network). I had same issues unfortuantely. 
Correct. This is a community helping here. If you need Unreal Engine developer’s help. You will need to buy a license for UDN (Unreal developer network). I had same issues unfortuantely.