[Hilfe] PHP Error

Fatal error: PHP notice in file /www/htdocs/w00f5f18/forum/wcf/templates/compiled/48_3_1_thread.php (268): Use of undefined constant MODULE_CONTENT_SMARTNGREY - assumed 'MODULE_CONTENT_SMARTNGREY'
Information:
error message: PHP notice in file /www/htdocs/w00f5f18/forum/wcf/templates/compiled/48_3_1_thread.php (268): Use of undefined constant MODULE_CONTENT_SMARTNGREY - assumed 'MODULE_CONTENT_SMARTNGREY'
error code: 0
file: /www/htdocs/w00f5f18/forum/wcf/lib/system/WCF.class.php (281)
php version: 5.3.13-nmm1
wcf version: 1.1.8 (Tempest)
date: Mon, 16 Jul 2012 19:09:16 +0000
request: /index.php?page=Thread&threadID=62
referer: http://www.los-santos-rl.de/index.php?page=Index
Stacktrace:
#0 /www/htdocs/w00f5f18/forum/wcf/templates/compiled/48_3_1_thread.php(268): WCF::handleError(8, 'Use of undefine...', '/www/htdocs/w00...', 268, Array)
#1 /www/htdocs/w00f5f18/forum/wcf/lib/system/template/Template.class.php(267): include('/www/htdocs/w00...')
#2 /www/htdocs/w00f5f18/forum/wcf/lib/page/AbstractPage.class.php(100): Template->display('thread')
#3 /www/htdocs/w00f5f18/forum/wcf/lib/page/AbstractPage.class.php(46): AbstractPage->show()
#4 /www/htdocs/w00f5f18/forum/wcf/lib/util/RequestHandler.class.php(64): AbstractPage->__construct()
#5 /www/htdocs/w00f5f18/forum/wcf/lib/util/RequestHandler.class.php(92): RequestHandler->__construct('Thread', Array, 'page')
#6 /www/htdocs/w00f5f18/forum/index.php(8): RequestHandler::handle(Array)
#7 {main}