Can't load application.

Can't load language#0 /kunden/342675_73262/www.gastroguide.de/application/libraries/G/Controller/Action.php(13): Model_Language->setLanguage('de') #1 /kunden/342675_73262/www.gastroguide.de/application/libraries/Zend/Controller/Action.php(133): G_Controller_Action->init() #2 /kunden/342675_73262/www.gastroguide.de/application/libraries/Zend/Controller/Dispatcher/Standard.php(281): Zend_Controller_Action->__construct(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http), Array) #3 /kunden/342675_73262/www.gastroguide.de/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #4 /kunden/342675_73262/www.gastroguide.de/application/bootstrap.php(129): Zend_Controller_Front->dispatch() #5 /kunden/342675_73262/www.gastroguide.de/public/index.php(18): require('/kunden/342675_...') #6 {main}
Stack Trace:
#0 /kunden/342675_73262/www.gastroguide.de/application/libraries/Zend/Controller/Front.php(965): Zend_Controller_Plugin_Broker->postDispatch(Object(Zend_Controller_Request_Http))
#1 /kunden/342675_73262/www.gastroguide.de/application/bootstrap.php(129): Zend_Controller_Front->dispatch()
#2 /kunden/342675_73262/www.gastroguide.de/public/index.php(18): require('/kunden/342675_...')
#3 {main}