while i am trying to build my iOS project where iam using storyboard . Also using transition and animation classes in my project.
Undefined symbols for architecture i386: "_OBJC_CLASS_$_FooterView", referenced from: objc-class-ref in WallViewController.o "_OBJC_CLASS_$_FullScreenView", referenced from: objc-class-ref in WallViewController.o "_OBJC_CLASS_$_HeaderView", referenced from: objc-class-ref in WallViewController.o "_OBJC_CLASS_$_LayoutViewExtention", referenced from: objc-class-ref in WallViewController.o "_OBJC_CLASS_$_MessageModel", referenced from: objc-class-ref in WallViewController.o "_OBJC_CLASS_$_TitleAndTextView", referenced from: objc-class-ref in WallViewController.o "_RGBACOLOR", referenced from: -[WallViewController showViewInFullScreen:withModel:] in WallViewController.o -[WallViewController animationEnd:finished:context:] in WallViewController.o -[AFKPageFlipper initFlip] in AFKPageFlipper.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation)