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/SearchEngine.php
Line     : 205
Backtrace: 
   SearchEngine.create() # line 41, file: /var/www/hosts/mediawiki/mediawiki-1.6.6/includes/SearchUpdate.php
  SearchUpdate.doUpdate() # line 263, file: /var/www/hosts/mediawiki/mediawiki-1.6.6/includes/Wiki.php
 MediaWiki.doUpdates(Array[2]) # line 246, file: /var/www/hosts/mediawiki/mediawiki-1.6.6/includes/Wiki.php
MediaWiki.finalCleanup(Array[2], Object:LoadBalancer, Object:OutputPage) # line 124, file: /var/www/hosts/mediawiki/mediawiki-1.6.6/index.php