Xcode 8 - IB Designables - Failed to render and update auto layout status, The agent crashed

Question

I recently upgraded to Xcode 8 and I am having issues with the Storyboard.

If I open the project and I don\'t have the Storyboard open, it will compile and run just

Answer 1

In my @IBDesignable class crashed because I used the custom class for the color and forced unwrapped the colours propertied that's @IBDesignable class found nil while unwrap

So you need to find the IBDesignablesAgent-iOS_[Date]_[YourMac].crash on ~/Library/Logs/DiagnosticReports this location and you will get the reason of the crash with the respected file path.

Now you have to check the respected file.