Why my game gets brighter after packaging

I was working on my game everything seemed ok in PIE so I decided to package my game and run it,
It got 10 times brighter and 10 times laggier I have no idea whats causing it. please help its really annoying

Here is In PIE and after packaging photos:


Looks like your PostProcess Box isnt saved correctly.
You can see the bloom value and the ssao beeing way different.
You should check if you have made an error with your boxes and fogvolumes.

i dont have post processing volume b6 the way this doesnt happen in the first map it only happens after getting into another level…

Well I solved Thank you Kanizitas I had a post proccesing volume, I changed the Min and Max Brightness in the Auto Exposure setting in the post process volume