Thread:Extension talk:Renameuser/Critical bug

On the latest version of Mediawiki 1.18 (git pull on 12/12/12) access to Special:SpecialPages give the following error (when php error reporting enabled):

Fatal error: Class 'LogFormatter' not found in [REDACTED]/mediawiki_1_18/extensions/Renameuser/Renameuser_body.php on line 604