Zend FR

Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'The PDO extension is required for this adapter but the extension is not loaded' in C:\wamp\www\aaa\library\Zend\Db\Adapter\Pdo\Abstract.php:94 Stack trace: #0 C:\wamp\www\aaalibrary\Zend\Db\Adapter\Abstract.php(389): Zend_Db_Adapter_Pdo_Abstract->_connect() #1 C:\wamp\www\aaa\library\Zend\Db\Adapter\Pdo\Abstract.php(205): Zend_Db_Adapter_Abstract->query('DESCRIBE `epreu...', Array) #2 C:\wamp\www\aaa\library\Zend\Db\Adapter\Pdo\Mysql.php(136): Zend_Db_Adapter_Pdo_Abstract->query('DESCRIBE `epreu...') #3 C:\wamp\www\aaa\library\Zend\Db\Table\Abstract.php(604): Zend_Db_Adapter_Pdo_Mysql->describeTable('epreuves_domain...', NULL) #4 C:\wamp\www\aaa\library\Zend\Db\Table\Abstract.php(533): Zend_Db_Table_Abstract->_setupMetadata() #5 C:\wamp\www\aaa\library\Zend\Db\Table\Abstract.php(268): Zend_Db_Table_Abstract->_setup() #6 C:\wamp\www\aaa\application\controllers\ChallengesController.php(10): Zend_Db_Table_Abstra in C:\wamp\www\aaa\library\Zend\Db\Adapter\Pdo\Abstract.php on line 94