an unexpected error occured.<h2>Unexpected Exception: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') LIMIT 1' at line 1, query was: SELECT `shop_product_filtergroup_options`.`action` FROM `shop_product_filtergroup_options` WHERE (product_id = ) LIMIT 1</h2><br /><pre>#0 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Db/Statement.php(303): Zend_Db_Statement_Pdo->_execute(Array)
#1 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array)
#2 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT `shop_pr...', Array)
#3 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Db/Table/Abstract.php(1577): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Table_Select))
#4 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Db/Table/Abstract.php(1392): Zend_Db_Table_Abstract->_fetch(Object(Zend_Db_Table_Select))
#5 /projects/oudvanijm_6d/public_html/mvc/application/modules/shop/models/DbTables/ShopProductFiltergroupOptions.php(226): Zend_Db_Table_Abstract->fetchAll(Object(Zend_Db_Table_Select))
#6 /projects/oudvanijm_6d/public_html/mvc/application/models/ShopModel.php(707): Model_DbTables_ShopProductFiltergroupOptions->checkIsAction(NULL)
#7 /projects/oudvanijm_6d/public_html/mvc/application/modules/front/controllers/InvisiblePagesController.php(98): ShopModel->checkIsAction(NULL)
#8 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Controller/Action.php(516): InvisiblePagesController->viewAction()
#9 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('viewAction')
#10 /projects/oudvanijm_6d/public_html/vendor/zendframework/zendframework1/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#11 /projects/oudvanijm_6d/public_html/index.php(182): Zend_Controller_Front->dispatch()
#12 {main}