Can't turn on "Background App Refresh"

I can not turn on the "background app refresh" and I need to turn it on to use one of the apps that I have. I have tried simply trying to turn it on, but the phone doesn't give me the ability to do so. I have also tried updating my phone, turning it on and off again, and going to "Screen time" -> "Content and privacy restrictions" -> "Background App Activities" -> "Allow"