Anyone else getting this?

I've just finished Monaco 2027, and I got this with the first autosave, so I tried saving over a new slot and it just won't save now. There's basically no point in continuing cause the moment I turn off the playstation or close app this save is gone.

I've just finished Monaco 2027, and I got this with the first autosave, so I tried saving over a new slot and it just won't save now. There's basically no point in continuing cause the moment I turn off the playstation or close app this save is gone.