When trying to upload my app, I get the error: \"You must supply a CFBundleIdentifier for this request\". The identifiers (UTI format) in info.plist, \"General Identity\", i
Open your info.plist and check to see if Bundle OS Type code is null. I had the same problem, and added APPL to Bundle OS Type code, and it was OK.
info.plist
Bundle OS Type code
null
APPL
See here for a helpful image.