Scringo framework app crashes in ios? -

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i'm facing strange problem, ios app crashes on devices , simulatore, developed app on 1 mac , system , move source code mac, on new mac scringo framework showing different types of crash reports "terminating app due uncaught exception 'nsunknownkeyexception', reason: '[ setvalue:forundefinedkey:]: class not key value coding-compliant key closebutton.'".

   done lot of googled, didn't solution. contacted scringo  support also, didn't response on http://www.scringo.com/about.php

the source of error has connection action or outlet called done doesn't exist in code class.


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