App Store wants me to pay again
I’ve previously purchased an app, I uninstalled it for a little while, I’ve gone back to install it again and the App Store is asking me to pay again, I’ve looked in my “Purchased” apps and the app isn’t there, this hasn’t happened before, I’ve reached out to the app developer and they are saying that it isn’t a problem at their end.
any suggestions?
iPhone XR, iOS 14