mail campaigns not working

my error log showing this one



mautic.ERROR: PDOException: could not find driver (uncaught exception) at /opt/lampp/htdocs/mautic/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php line 40 while running console command mautic:campaigns:trigger [] []



thanks advance

my error log showing this one

mautic.ERROR: PDOException: could not find driver (uncaught exception) at /opt/lampp/htdocs/mautic/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php line 40 while running console command mautic:campaigns:trigger [] []

thanks advance