Can't build for iOS 5.0

I’m getting this message :

“The iOS SDK located at /Developer is missing the following component(s):
copypng
Please (re)install the the iOS SDK.”

Should I get back to older SDK ?

Thanks

Toni [import]uid: 18904 topic_id: 11263 reply_id: 311263[/import]

http://developer.anscamobile.com/forum/2011/06/08/do-not-build-using-xcode-ios-5-beta [import]uid: 12704 topic_id: 11263 reply_id: 40912[/import]