Exception encountered, of type "PDOException"
[0040872964887f3b4a528def] /index.php?action=history&title=%E3%82%B6%E3%83%BB%E3%83%91%E3%83%BC%E3%82%AF%E3%83%8F%E3%82%A6%E3%82%B9_%E4%BA%8C%E5%AD%90%E7%8E%89%E5%B7%9D%E7%A2%A7%E3%81%AE%E6%9D%9C PDOException from line 47 of /var/www/html/mediawiki/bo_lib.php: SQLSTATE[HY000] [1040] Too many connections
Backtrace:
#0 /var/www/html/mediawiki/bo_lib.php(47): PDO->__construct(string, string, string)
#1 /var/www/html/mediawiki/bo_lib.php(1014): bo_lib->connectDB()
#2 /var/www/html/mediawiki/bo_lib.php(31): bo_lib->importADsArea()
#3 /var/www/html/mediawiki/bo_lib.php(37): bo_lib->__construct()
#4 /var/www/html/mediawiki/skins/MikleTweeki/MikleTweeki.skin.php(3771): bo_lib::instance()
#5 /var/www/html/mediawiki/extensions/SutekiCustom/SutekiCustom.php(493): init_bo_lib(string)
#6 /var/www/html/mediawiki/includes/Hooks.php(195): SutekiCustom::onBeforePageDisplay(OutputPage, SkinMikleTweeki)
#7 /var/www/html/mediawiki/includes/OutputPage.php(2321): Hooks::run(string, array)
#8 /var/www/html/mediawiki/includes/MediaWiki.php(753): OutputPage->output()
#9 /var/www/html/mediawiki/includes/MediaWiki.php(519): MediaWiki->main()
#10 /var/www/html/mediawiki/index.php(43): MediaWiki->run()
#11 {main}