Fc points store isn’t showing up

I was about to buy fc points on my ps5 but when I went to look for in the store to buy I didn’t see the box a week ago it was there but now it just suddenly disappeared, how do I fix this plz help I don’t wanna buy from the PlayStation store cause last year same thing happened I bought from PlayStation store and didn’t get anything and it says FC points store not available when I choose the fc points option