Facebook app notifications pop-ups don't work for my account only

Hello, I have a problem with notifications on the Facebook app for iPhone. This issue only affects my account. When I log into my mom’s account on my phone, all notifications appear. But when I switch back to my account, they don’t show up.

In the Facebook app, the notifications stay in the bell icon, but the ones that usually appear as screen pop-ups and on the app icon in the top right corner do not show. The problem is only with the Facebook app and only with my account.

All notifications are enabled—both in my phone settings and in the Facebook settings, just like they are on my mom’s phone.