Problem codice Xcode con cocos2d

Hello to you all, I have a problem with this code, I do not understand why I get this error after having rewritten again my app with xCode 4.2?
The file that has been encrypted with origginale xCode 4. works when recompiled with Xcode, but the new me these errors, does anyone know give me some advice?
Thank you.

http://files1.jetbytes.com/dac6e21b2721aad80e3c5314c25f2366


ip.png (292.5 KB)

CCScene is a c++ class, you can not inherit it like a objective-c class.