Page     : /wiki/index.php
Message  : Only variables should be passed by reference
Action   : submit
Type     : 2048
File     : /var/www/hosts/mediawiki/mediawiki-1.6.6/includes/MessageCache.php
Line     : 45
Backtrace: 
 MessageCache.initialise(Object:MediaWikiBagOStuff, true, "86400", "wikidb") # line 263, file: /var/www/hosts/mediawiki/mediawiki-1.6.6/includes/Setup.php
require_once("/var/www/hosts/mediawiki/mediawiki-1.6.6/includes/Setup.php") # line 80, file: /var/www/hosts/mediawiki/mediawiki-1.6.6/index.php