2015-11-20 01:39:58 silver labswiki exception ERROR: [5550d598] /w/index.php?title=Special:UserLogin&action=submitlogin&type=signup&returnto=User:Brandon   MWException from line 220 of /srv/mediawiki/php-1.27.0-wmf.7/includes/Hooks.php: Detected bug in an extension! Hook OpenStackNovaUser::DynamicSidebarGetGroups has invalid call signature; ldap_count_entries() expects parameter 2 to be resource, boolean given {"exception_id":"5550d598"} 
[Exception MWException] (/srv/mediawiki/php-1.27.0-wmf.7/includes/Hooks.php:220) Detected bug in an extension! Hook OpenStackNovaUser::DynamicSidebarGetGroups has invalid call signature; ldap_count_entries() expects parameter 2 to be resource, boolean given
  #0 /srv/mediawiki/php-1.27.0-wmf.7/extensions/DynamicSidebar/DynamicSidebar.body.php(96): Hooks::run(string, array)
  #1 /srv/mediawiki/php-1.27.0-wmf.7/extensions/DynamicSidebar/DynamicSidebar.body.php(21): DynamicSidebar::doGroupSidebar()
  #2 [internal function]: DynamicSidebar::modifySidebar(SkinVector, array)
  #3 /srv/mediawiki/php-1.27.0-wmf.7/includes/Hooks.php(204): call_user_func_array(string, array)
  #4 /srv/mediawiki/php-1.27.0-wmf.7/includes/skins/Skin.php(1250): Hooks::run(string, array)
  #5 /srv/mediawiki/php-1.27.0-wmf.7/includes/skins/SkinTemplate.php(461): Skin->buildSidebar()
  #6 /srv/mediawiki/php-1.27.0-wmf.7/includes/skins/SkinTemplate.php(240): SkinTemplate->prepareQuickTemplate(OutputPage)
  #7 /srv/mediawiki/php-1.27.0-wmf.7/includes/OutputPage.php(2319): SkinTemplate->outputPage()
  #8 /srv/mediawiki/php-1.27.0-wmf.7/includes/MediaWiki.php(712): OutputPage->output()
  #9 /srv/mediawiki/php-1.27.0-wmf.7/includes/MediaWiki.php(506): MediaWiki->main()
  #10 /srv/mediawiki/php-1.27.0-wmf.7/index.php(43): MediaWiki->run()
  #11 /srv/mediawiki/w/index.php(3): require(string)
  #12 {main}