« MODx Parse Error » - Can't connect to local MySQL server through socket

« MODx Parse Error »
MODx encountered the following error while attempting to parse the requested resource:
« PHP Parse Error »
 
PHP error debug
  Error: 	mysql_connect(): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (111)	 
  Error type/ Nr.: 	Warning - 2	 
  File: 	/home/www/onowhewc/manager/includes/extenders/dbapi.mysql.class.inc.php	 
  Line: 	87	 
  Line 87 source: 	if (!$this->conn = ($persist ? mysql_pconnect($host, $uid, $pwd) : mysql_connect($host, $uid, $pwd, true))) { 	 
 
Parser timing
  MySQL: 	0.0000 s	(0 Requests)
  PHP: 	0.0364 s	 
  Total: 	0.0364 s	 
Error while inserting event log into database.