I downloaded the new iOS Parse API (1.6.4) and tried to build my project. When I do, I get this error:
Undefined sym
Placing
NSString *const BFTaskMultipleExceptionsException = @"BFMultipleExceptionsException";
in the App Delegate as suggested by Sergey Surkov in between the imports and the implementation and then adding libstdc++.6.dylib in build phases worked for me. Please also view https://stackoverflow.com/a/27628797/1036945