That particular crash can be avoided by not doing the previous step to
connect the 'Add' button to the View Controller (the two steps just before
the one causing the crash). Don't do these steps until you've embedding the
To configure the add button:
Control drag the Add Button to the ViewController
On the shortcut menu that appears, select “show
In other words, the steps are out of order.
Also, I'd recommend moving the View Controller to the right side of the
Table View controller to correspond to the actual flow of control.
That tutorial has other challenges as well. There is a link at the end of the tutorial where you can download
the completed project. That code appears to work. The tutorial seems to
have several steps out of sequence with vague or incomplete