When using this option I receive the following error in XCode 9.3
<img width="423" alt="screen shot 2018-05-10 at 14 57 22" src="https://user-images.githubusercontent.com/2924822/39870679-7ef17a9c-5462-11e8-98e0-6f952fbe8da1.png">
A great tool you made !! Am using it in my current project and works nice. Any plans to add a Clear button in the main screen to start a new export after you're done with one.