Xcode error when uploading to App Store: “No suitable application records were found”

I suspect you should not be calling your app “com.ionicframework.app315125”. That looks like a leftover name from an example project.

You need to create a new Bundle Identifier in the Developer portal:

Then choose it when you “Create New App” in iTunesConnect:

For me, I’d pick com.maniac-games.lowdown.