Unreal Engine 4 Packaged project crash when starting the singleplayer and multiplayer project

Hi everyone,

I got a problem since few days now.
I can’t find how to resolve my problem for now.
I have packaged my project for windows 64 bit, it’s working, i prepared my dedicated server too, it’s working.
But when i try to start my singleplayer project i got this debugging problem:
For the SinglePlayer:

And for the me Dedicated Server it’s crashing too:

If someone can please help mewith this problem :slight_smile:
Thanks you guys for your help.