exception 'Zend_Db_Statement_Mysqli_Exception' with message 'Mysqli prepare error: MySQL server has gone away' in /usr/local/Zend/preload.php:7872
Stack trace:
#0 /usr/local/Zend/preload.php(7222): Zend_Db_Statement_Mysqli->_prepare('?            ( ...')
#1 /usr/local/Zend/preload.php(6939): Zend_Db_Statement->__construct(Object(Zend_Db_Adapter_Mysqli), '?            ( ...')
#2 /usr/local/Zend/preload.php(5758): Zend_Db_Adapter_Mysqli->prepare('?            ( ...')
#3 /home/www/work/zamb/library/Zamb/Associations.php(240): Zend_Db_Adapter_Abstract->query('?            ( ...')
#4 /home/www/work/zamb/application/modules/widgets/controllers/BuyadsController.php(103): Zamb_Associations::getAssociations(Object(Zamb_Association_Element_News), 'anbieter')
#5 /usr/local/Zend/preload.php(17632): Widgets_BuyadsController->ad4matPromoAction()
#6 /usr/local/Zend/preload.php(14336): Zend_Controller_Action->dispatch('ad4matPromoActi...')
#7 /usr/local/ZendFramework-1.11.5-stripped/Zend/View/Helper/Action.php(135): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#8 /home/www/work/zamb/library/Zamb/View/Helper/Widget.php(53): Zend_View_Helper_Action->action('ad4mat-promo', 'Buyads', 'widgets', Array)
#9 /home/www/work/zamb/library/Zamb/View/Helper/Widgets.php(42): Zamb_View_Helper_Widget->widget(Object(Zamb_Widget_Widgets_Buyads), Array)
#10 [internal function]: Zamb_View_Helper_Widgets->widgets(46, 20, 12)
#11 /usr/local/Zend/preload.php(22807): call_user_func_array(Array, Array)
#12 [internal function]: Zend_View_Abstract->__call('widgets', Array)
#13 /home/www/work/zamb/application/modules/zamb/layouts/sidebar.phtml(19): Zend_View->widgets(46, 20, 12)
#14 /usr/local/Zend/preload.php(23765): include('/home/www/work/...')
#15 /usr/local/Zend/preload.php(23345): Zend_View->_run('/home/www/work/...')
#16 /home/www/work/zamb/library/Zamb/Plugin/Sidebar.php(330): Zend_View_Abstract->render('../../layouts/s...')
#17 /usr/local/Zend/preload.php(13418): Zamb_Plugin_Sidebar->postDispatch(Object(Zend_Controller_Request_Http))
#18 /usr/local/Zend/preload.php(13058): Zend_Controller_Plugin_Broker->postDispatch(Object(Zend_Controller_Request_Http))
#19 /home/www/work/zamb/public/index.php(82): Zend_Controller_Front->dispatch()
#20 {main}