Piwik # open source web analytics

The mysql driver is not currently installed

Backtrace:
#0 D:\Report_web\libs\Zend\Db\Adapter\Abstract.php(228): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 D:\Report_web\core\Piwik.php(1345): Zend_Db_Adapter_Abstract->getConnection()
#2 D:\Report_web\core\FrontController.php(209): Piwik::createDatabaseObject()
#3 D:\Report_web\index.php(64): Piwik_FrontController->init()
#4 {main}