SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`jung_ketten`.`report_event`, CONSTRAINT `FK_REPORT_EVENT_TYPE` FOREIGN KEY (`event_type_id`) REFERENCES `report_event_types` (`event_type_id`) ON DELETE CASCADE ON UPDATE CASCADE)

#0 /var/www/jung/lib/Zend/Db/Statement.php(300): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/jung/lib/Zend/Db/Adapter/Abstract.php(468): Zend_Db_Statement->execute(Array)
#2 /var/www/jung/lib/Zend/Db/Adapter/Pdo/Abstract.php(241): Zend_Db_Adapter_Abstract->query('INSERT INTO `re...', Array)
#3 /var/www/jung/lib/Varien/Db/Adapter/Pdo/Mysql.php(333): Zend_Db_Adapter_Pdo_Abstract->query('INSERT INTO `re...', Array)
#4 /var/www/jung/lib/Zend/Db/Adapter/Abstract.php(546): Varien_Db_Adapter_Pdo_Mysql->query('INSERT INTO `re...', Array)
#5 /var/www/jung/app/code/core/Mage/Core/Model/Mysql4/Abstract.php(414): Zend_Db_Adapter_Abstract->insert('report_event', Array)
#6 /var/www/jung/app/code/core/Mage/Core/Model/Abstract.php(306): Mage_Core_Model_Mysql4_Abstract->save(Object(Mage_Reports_Model_Event))
#7 /var/www/jung/app/code/core/Mage/Reports/Model/Event/Observer.php(69): Mage_Core_Model_Abstract->save()
#8 /var/www/jung/app/code/core/Mage/Reports/Model/Event/Observer.php(196): Mage_Reports_Model_Event_Observer->_event(3, '18097')
#9 /var/www/jung/app/code/core/Mage/Core/Model/App.php(1229): Mage_Reports_Model_Event_Observer->catalogProductCompareAddProduct(Object(Varien_Event_Observer))
#10 /var/www/jung/app/code/core/Mage/Core/Model/App.php(1210): Mage_Core_Model_App->_callObserverMethod(Object(Mage_Reports_Model_Event_Observer), 'catalogProductC...', Object(Varien_Event_Observer))
#11 /var/www/jung/app/Mage.php(416): Mage_Core_Model_App->dispatchEvent('catalog_product...', Array)
#12 /var/www/jung/app/code/core/Mage/Catalog/controllers/Product/CompareController.php(80): Mage::dispatchEvent('catalog_product...', Array)
#13 /var/www/jung/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_Product_CompareController->addAction()
#14 /var/www/jung/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(258): Mage_Core_Controller_Varien_Action->dispatch('add')
#15 /var/www/jung/app/code/core/Mage/Core/Controller/Varien/Front.php(177): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#16 /var/www/jung/app/code/core/Mage/Core/Model/App.php(304): Mage_Core_Controller_Varien_Front->dispatch()
#17 /var/www/jung/app/Mage.php(596): Mage_Core_Model_App->run(Array)
#18 /var/www/jung/index.php(85): Mage::run('', 'store')
#19 {main}