Once your update has been installed, you can view apps in the Mac App Store, where you can browser categories such as top sales, top free, top grossing and editors choice, as well as staff favourites. Changing library embed type to do not embed or having copy files to copy when installing gets the app to run but it crashes shortly since it can not load the library it self.
I had this problem on Xcode 12.2 too but after updating Xcode to 12.3 the problem didn't resolve.Access 85 lectures & 12 hours of content 24/7 Explore iOS 12 development w/ Swift 4.2 & Xcode 10
