Exception encountered, of type "mysqli_sql_exception"
[02dadc40] /documentation/index.php?returnto=Special%3AWhatLinksHere%2FUser+Interface&returntoquery=hideredirs%3D1&title=Special%3AUserLogin mysqli_sql_exception from line 105 of /home/project-web/ccil/htdocs/documentation/includes/db/DatabaseMysqli.php: Connection timed out
Backtrace:
#0 /home/project-web/ccil/htdocs/documentation/includes/db/DatabaseMysqli.php(105): mysqli->real_connect(string, string, SensitiveParameterValue, string, NULL, NULL, integer)
#1 /home/project-web/ccil/htdocs/documentation/includes/db/DatabaseMysqlBase.php(74): DatabaseMysqli->mysqlConnect(string)
#2 /home/project-web/ccil/htdocs/documentation/includes/db/Database.php(679): DatabaseMysqlBase->open(string, string, string, string)
#3 /home/project-web/ccil/htdocs/documentation/includes/db/Database.php(774): DatabaseBase->__construct(array)
#4 /home/project-web/ccil/htdocs/documentation/includes/db/LoadBalancer.php(798): DatabaseBase::factory(string, array)
#5 /home/project-web/ccil/htdocs/documentation/includes/db/LoadBalancer.php(654): LoadBalancer->reallyOpenConnection(array, boolean)
#6 /home/project-web/ccil/htdocs/documentation/includes/db/LoadBalancer.php(535): LoadBalancer->openConnection(integer, boolean)
#7 /home/project-web/ccil/htdocs/documentation/includes/GlobalFunctions.php(3631): LoadBalancer->getConnection(integer, array, boolean)
#8 /home/project-web/ccil/htdocs/documentation/includes/cache/LocalisationCache.php(1157): wfGetDB(integer)
#9 /home/project-web/ccil/htdocs/documentation/includes/cache/LocalisationCache.php(404): LCStoreDB->get(string, string)
#10 /home/project-web/ccil/htdocs/documentation/includes/cache/LocalisationCache.php(450): LocalisationCache->isExpired(string)
#11 /home/project-web/ccil/htdocs/documentation/includes/cache/LocalisationCache.php(326): LocalisationCache->initLanguage(string)
#12 /home/project-web/ccil/htdocs/documentation/includes/cache/LocalisationCache.php(263): LocalisationCache->loadItem(string, string)
#13 /home/project-web/ccil/htdocs/documentation/languages/Language.php(3372): LocalisationCache->getItem(string, string)
#14 /home/project-web/ccil/htdocs/documentation/includes/specialpage/SpecialPageFactory.php(274): Language->getSpecialPageAliases()
#15 /home/project-web/ccil/htdocs/documentation/includes/specialpage/SpecialPageFactory.php(334): SpecialPageFactory::getAliasList()
#16 /home/project-web/ccil/htdocs/documentation/includes/Title.php(1091): SpecialPageFactory::resolveAlias(string)
#17 /home/project-web/ccil/htdocs/documentation/includes/MediaWiki.php(185): Title->isSpecial(string)
#18 /home/project-web/ccil/htdocs/documentation/includes/MediaWiki.php(714): MediaWiki->performRequest()
#19 /home/project-web/ccil/htdocs/documentation/includes/MediaWiki.php(508): MediaWiki->main()
#20 /home/project-web/ccil/htdocs/documentation/index.php(41): MediaWiki->run()
#21 {main}