I have this problem in Xcode 8, when I click on a `button` to go to the next `viewController` it crashes the **simulator**. However I have another `button` on the same `viewController` the leads to an empty `viewController` that works. 

When the simulator crashes it gives me the error code:

> 
> libc++abi.dylib: terminating with uncaught exception of type NSException
> 
> 
> 

Thanks