Zenphoto encountered an error

MySQL Error: The PHP MySQL extensions have not been installed corectly. Please ask your administrator to add MySQL support to your PHP installation.

Backtrace:

					
   -> db_connect (functions-basic.php [83])
     -> require_once (functions.php [18])
       -> require_once (template-functions.php [10])
         -> require_once (index.php [16])