How to solve Xcode 4.1 (LION) GPS error?

Question

My project worked perfectly on simulator+device,
but now, after upgrading to lion os and xcode 4.1, I get this error when gps is active

Answer 1

Please see http://pastebin.com/7hvFiXCg for a somewhat souped-up version of the BNR code. It includes CLHeading support, among other adjustments. Enjoy!