I have build the light,
Create a light and turn the intensity to 0
Either your post process has an ambient cubemap active or you have a skylight in the scene.
That’s always like that when you use the blank map -> when play the level it should be dark
To solve it you have to add a dominant directional light with a intensity of 0
i cant find a option or a separate light with that name, could you specify how i do that ?
nope. but thanks for trying to help 
Oh sorry, it is just called directional light -> I’m still a little bit in UDK ^^ (there it is called dominant dir…)
ohh no. the second picture i have allready added a directional light and that didnt work either. well hehe yeah understandable i was in the mind og unity when i first started with ue4 hehe
Hmm, in my case it works -> do you probably have several directional lights in your level? As I can see on the picture the light which you have selected is called DirectionalLight3 So basically you have to set all directional, source and sky lights to 0 so that you can get a dark scene in the edit view
i dont when you delete e light and make a new one it continues from where you left off. i only have DirectionalLight3 in my scene outliner
Ok, then open up a blank project and try if it works there -> when you get a good result, just copy all the stuff from the old map into the new one 
(then we will also find out if one of your actors is causing the problem)
hmmm it was a problem with my map, i couldnt make it work even if i deleted all my content from my scene outliner, so i just made a new map and it worked. thanks for our help