« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
PHP error debug
  Error: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead 
  Error type/ Nr.: - 8192 
  File: /homepages/2/d13433965/htdocs/manager/includes/extenders/dbapi.mysql.class.inc.php 
  Line: 48 
  Line 48 source: if(!$this->conn = ($persist ? mysql_pconnect($host, $uid, $pwd):mysql_connect($host, $uid, $pwd))) {  
Parser timing
  MySQL: 0.0000 s s(0 Requests)
  PHP: 0.0060 s s 
  Total: 0.0060 s s