http://en.wikipedia.beta.wmflabs.org/wiki/Special:SpecialPages

BannerLoaderException while loading banner: '(none provided)'
Backtrace:
#0 /data/project/apache/common-local/php-master/extensions/CentralNotice/special/SpecialBannerLoader.php(22): SpecialBannerLoader->getParams()
#1 /data/project/apache/common-local/php-master/includes/SpecialPageFactory.php(334): SpecialBannerLoader->__construct()
#2 /data/project/apache/common-local/php-master/includes/SpecialPageFactory.php(362): SpecialPageFactory::getPage('BannerLoader')
#3 /data/project/apache/common-local/php-master/includes/specials/SpecialSpecialpages.php(54): SpecialPageFactory::getUsablePages(Object(User))
#4 /data/project/apache/common-local/php-master/includes/specials/SpecialSpecialpages.php(42): SpecialSpecialpages->getPageGroups()
#5 /data/project/apache/common-local/php-master/includes/SpecialPage.php(613): SpecialSpecialpages->execute(NULL)
#6 /data/project/apache/common-local/php-master/includes/SpecialPageFactory.php(486): SpecialPage->run(NULL)
#7 /data/project/apache/common-local/php-master/includes/Wiki.php(291): SpecialPageFactory::executePath(Object(Title), Object(RequestContext))
#8 /data/project/apache/common-local/php-master/includes/Wiki.php(565): MediaWiki->performRequest()
#9 /data/project/apache/common-local/php-master/includes/Wiki.php(458): MediaWiki->main()
#10 /data/project/apache/common-local/php-master/index.php(59): MediaWiki->run()
#11 /data/project/apache/common-local/w/index.php(3): require('/data/project/a...')
#12 {main}

Version: unspecified
Severity: major