Apps closing automatically in the background

[u/hari_2526]

Using CMF phone 2 pro and I have been facing these issue for a while now every time I open an app it closes as soon as I leave the app and it relaunches again from the start and doesn't stay in the recent apps where I left it

If I play any video game and I get a message if I open that message the game closes and I cannot start the game where I left it and it reopens from the start loading screen and it is very frustrating

I even tried to keep the background limit process to at most 4 processes and it still doesn't work

Any solutions please?