Fov slider works in editor not in packed game

[tanush_23]

Thanks for all of your suggestions Tuerer!
Finally I have found the solution
I had the exact problem this guy had:

Why does my main menu widget disappear after ive packaged the game but works in editor (GameInstance not loading)

Gday, I have the main menu in my game that works fine in the editor however after I’ve built the game it doesn’t appear even though I’ve set the camera that the player is supposed to possess upon opening the games .exe file. I have the main menu become attached upon the BeginPlay event which works in the editor but not within the build which possesses the pawn that only has a camera on it but doesn’t create the main menu widget. For the packaging settings, its set to shipping and I have it doi…

Following the answer in that thread I got my main menu to show up.
After that the fov slider works too!