my level wont load in exported game but in editor do

Hi i got a problem. I have main menu where i can start a level and if i click on it in playmode in editor it works perfectly but if it export the game and then click on the level the level wont load and main menu shows up. Im very bad at explanation so I make a video showing my problem

heres a video link because ue forums wont let me upload the video of me showing it:

I’m running on version 4.26.0 and have Horror Engine installed so I don’t know it horror engine makes a problem or who.