Internal 404 Not Found

CoreApp could not find the requested file - Hope this dump could be usefull

controller	/user/theme/kodeine/controller/content/detail.php
view		/user/theme/kodeine/view/content/detail.php

Kappuccino -
Fatal error: Call to undefined method coreApp::appRelease() in /nasweb/antigymnastique/www/user/theme/kodeine/helper/404.php on line 20