I am getting the following error with macOS 12.5.1 and Xcode 14.1:
When I clone the book materials down and attempt to run swift run, it outputs:
'00-book-server': Invalid manifest
Package.swift:2:8: error: no such module 'PackageDescription'
import PackageDescription
swift -v returns:
Apple Swift version 5.7.1 (swiftlang-5.7.1.135.3 clang-1400.0.29.51)
What have I missed here?