I am installing phpbb getting error as "The PHP configuration on your server doesn't support the database type that you chose" at http://localhost/phpBB2/install/install.php ..my var /log/http/error_log says
PHP Warning: Unknown(): Unable to load dynamic library '/usr/lib/php/extensions/msql.so' - /usr/lib/php/extensions/msql.so: cannot open shared object file: No such file or directory in Unknown on line 0

i checked there is no msql.so what should i do now ..pls help