just because the information is scattered all over: macOS group name is: $(TeamIdentifierPrefix)com.xxx.yyy (note, there is no "." between the prefix and com)

This trick helped me with Xcode version 14.3.1. Once I disabled the "Main Thread Checker", the errors regarding "missing package product" simply disappeared. Like magic. Thank you.

This one did the trick for me!

Did you find an answer?