What causes this error? “CALayer position contains NaN: [240 nan]”

Question

I\'ve seen this happen whenever i rotate a screen that has a UITableView on it. I\'ve found out that it happens inbetween the willRotate and

Answer 1

I've spent a day trying to find the code that causes same problem and solved it within a minutes after enabling "break on exception" in Xcode. Check this tutorial to see how to enable it.