Zend Framework Default Application

Application error

Exception information:

Message: SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'soylekz_soyle.lessons.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by, query was: SELECT `lessons`.* FROM `lessons` GROUP BY `level` ORDER BY `level` ASC

Stack trace:

#0 /sites/corp.soyle.kz/library/Zend/Db/Statement.php(303): Zend_Db_Statement_Pdo->_execute() #1 /sites/corp.soyle.kz/library/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute() #2 /sites/corp.soyle.kz/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query() #3 /sites/corp.soyle.kz/library/Zend/Db/Table/Abstract.php(1575): Zend_Db_Adapter_Pdo_Abstract->query() #4 /sites/corp.soyle.kz/library/Zend/Db/Table/Abstract.php(1390): Zend_Db_Table_Abstract->_fetch() #5 /sites/corp.soyle.kz/application/layouts/scripts/layout.phtml(338): Zend_Db_Table_Abstract->fetchAll() #6 /sites/corp.soyle.kz/library/Zend/View.php(108): include('/sites/corp.soy...') #7 /sites/corp.soyle.kz/library/Zend/View/Abstract.php(888): Zend_View->_run() #8 /sites/corp.soyle.kz/library/Zend/Layout.php(796): Zend_View_Abstract->render() #9 /sites/corp.soyle.kz/library/Zend/Layout/Controller/Plugin/Layout.php(143): Zend_Layout->render() #10 /sites/corp.soyle.kz/library/Zend/Controller/Plugin/Broker.php(333): Zend_Layout_Controller_Plugin_Layout->postDispatch() #11 /sites/corp.soyle.kz/library/Zend/Controller/Front.php(965): Zend_Controller_Plugin_Broker->postDispatch() #12 /sites/corp.soyle.kz/library/Zend/Application/Bootstrap/Bootstrap.php(101): Zend_Controller_Front->dispatch() #13 /sites/corp.soyle.kz/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run() #14 /sites/corp.soyle.kz/public/index.php(60): Zend_Application->run() #15 {main}

Request Parameters: