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Swift Version Incompatible
I downloaded the starter files but my new version of XCode is incompatible with swift version 3.
Go to Vending Machine project –> Build Settings -> Basic –> Swift Compiler language and change from Swift 3 to Swift 4
This totally worked! Thank you!
Waylan SandsCourses Plus Student 5,823 Points
You may also have to select the app from TARGETS and change to Swift 5 etc