error zend framework

[Jesica]

Muchas Gracias a los dos.
Ese era el problemita.....
pero ahora tengo otro error, a ver si me pueden dar otra mano!

Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'The mysql driver is not currently installed' in C:\AppServ\www\zf_tutorial\library\Zend\Db\Adapter \Pdo\Abstract.php:104 Stack trace: #0 C:\AppServ\www\zf_tutorial\library\Zend\Db\Adapter \Abstract.php(263): Zend_Db_Adapter_Pdo_Abstract->_connect() #1 C:\AppServ\www\zf_tutorial\library\Zend\Db\Adapter \Pdo\Abstract.php(206): Zend_Db_Adapter_Abstract->query('DESCRIBE `album...', Array) #2 C:\AppServ\www\zf_tutorial\library\Zend\Db\Adapter \Pdo\Mysql.php(138): Zend_Db_Adapter_Pdo_Abstract->query('DESCRIBE `album...') #3 C:\AppServ\www\zf_tutorial\library\Zend\Db\Table\A bstract.php(595): Zend_Db_Adapter_Pdo_Mysql->describeTable('album', NULL) #4 C:\AppServ\www\zf_tutorial\library\Zend\Db\Table\A bstract.php(528): Zend_Db_Table_Abstract->_setupMetadata() #5 C:\AppServ\www\zf_tutorial\library\Zend\Db\Table\A bstract.php(264): Zend_Db_Table_Abstract->_setup() #6 C:\AppServ\www\zf_tutorial\application\controllers \IndexController.php(32): Zend_Db_Table_Abstract-> in C:\AppServ\www\zf_tutorial\library\Zend\Db\Adapter \Pdo\Abstract.php on line 104

Saludos