Editor crashes on Mac OSX when attempting to access a new game in Strategy Game on Launch

While launching StrategyGame to a Mac OSX desktop, the editor will crash if the user attempts to start a new game from the main menu.

Frequency: 4/4

On Mac
1. Open Editor (StrategyGame)
2. Press "Launch" (if greyed out, go into dropdown menu and select computer)
3. Once it launches, press pause>Main Menu>Start>Easy

StrategyGame demo crashes UE4.5 editor on exit