duplicate symbol _OBJC_METACLASS_$_ClassName

Question

I am trying to run my cocos2d application and facing this error, as I have recently upgraded my sdk to 4.2 and my cocos2d to 0.99.5.

I tried to clean my project even

Answer 1

Remove target from right panel and again add target. This will remove any duplicate references. It may happen if 2 programmer add the same target and commit the project file.