an unexpected error occured.

Unexpected Exception: Specified column "category_id" is not in the row#0 /home/eemsarnhem/public_html/mvc/libraries/Zend/Db/Table/Row/Abstract.php(280): Zend_Db_Table_Row_Abstract->__get('category_id') #1 /home/eemsarnhem/public_html/mvc/application/views/layouts/_front_header.phtml(86): Zend_Db_Table_Row_Abstract->offsetGet('category_id') #2 /home/eemsarnhem/public_html/mvc/application/views/layouts/_front_main.phtml(82): include('/home/eemsarnhe...') #3 /home/eemsarnhem/public_html/mvc/application/views/layouts/main.phtml(13): include('/home/eemsarnhe...') #4 /home/eemsarnhem/public_html/mvc/libraries/Zend/View.php(108): include('/home/eemsarnhe...') #5 /home/eemsarnhem/public_html/mvc/libraries/Zend/View/Abstract.php(888): Zend_View->_run('mvc/application...') #6 /home/eemsarnhem/public_html/mvc/libraries/Zend/Layout.php(796): Zend_View_Abstract->render('main.phtml') #7 /home/eemsarnhem/public_html/mvc/libraries/Zend/Layout/Controller/Plugin/Layout.php(143): Zend_Layout->render() #8 /home/eemsarnhem/public_html/mvc/libraries/Zend/Controller/Plugin/Broker.php(333): Zend_Layout_Controller_Plugin_Layout->postDispatch(Object(Zend_Controller_Request_Http)) #9 /home/eemsarnhem/public_html/mvc/libraries/Zend/Controller/Front.php(965): Zend_Controller_Plugin_Broker->postDispatch(Object(Zend_Controller_Request_Http)) #10 /home/eemsarnhem/public_html/index.php(142): Zend_Controller_Front->dispatch() #11 {main}


#0 /home/eemsarnhem/public_html/mvc/libraries/Zend/Controller/Front.php(965): Zend_Controller_Plugin_Broker->postDispatch(Object(Zend_Controller_Request_Http))
#1 /home/eemsarnhem/public_html/index.php(142): Zend_Controller_Front->dispatch()
#2 {main}