New iTunes connect interface error “You must choose a build”

Question

When trying to submit my new app to the app store, I noticed Apple has changed its website interface: after updating metadata and keywords and hitting \"submit for review\" I go

Answer 1

Just a call out. Make sure that your package identifier i.e. (com.companyname.appname) is correct for the app you are uploading. I just wasted 2 days wondering why my build wasn't showing up because I had a typo in my bundle identifier.

Thanks and have a wonderful day.