Getting dyld: Symbol not found: _OBJC_CLASS_$_NSJSONSerialization on IOS4

Question

I get the following error when testing on iOS4:

dyld: Symbol not found: _OBJC_CLASS_$_NSJSONSerialization

While on iOS5 it\'s wo

Answer 1

Seems to be that the AFNetworking class is the one that use NSJSONSerialization.