Error in Lesson 16 QuestionBot 2

Apple developed Project files from Intro to App Development Lesson 16 on QuestionBot 2 are giving me errors as follows:

  1. The project will build and run fine.  It will also answer the first question.  However, asking a 2nd question causes an error of “Thread 1: signal SIGABRT“. This is a file straight from the Apple Tutorial.  Suggestions?
  2. Project files give warnings for depricated code are given as follows: “The use of Swift 3 @objc inference in Swift 4 mode is deprecated.”  Suggestions?



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