Since Xcode 7 and Swift 2.0, I get the error above, like in the screenshot shown here:

![screenshot of error log](https://i.stack.imgur.com/r66S0.png)

I have no idea where this is coming from, cleaning and deleting derived data didn't work.

Anyone else experiencing this problem?

Project settings:

![project settings](https://i.stack.imgur.com/3IyxC.png)

Target settings:

![target settings](https://i.stack.imgur.com/MnIZR.png)