Exception encountered, of type "PDOException"
[ZkUv8bwB8K9NO86jTisWXQAAAEk] /index.php?title=%E4%B8%AD%E5%9B%BD%E3%82%A8%E3%83%AA%E3%82%A2/%E5%BA%83%E5%B3%B6%E9%9B%BB%E9%89%84/%E7%99%BD%E5%B3%B6%E7%B7%9A&action=edit&undoafter=150942&undo=153218 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(931): 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(4077): bo_lib::instance()
#5 /var/www/html/mediawiki/skins/MikleTweeki/MikleTweeki.skin.php(67): init_bo_lib(string)
#6 /var/www/html/mediawiki/includes/skins/SkinTemplate.php(245): SkinMikleTweeki->initPage(OutputPage)
#7 /var/www/html/mediawiki/includes/OutputPage.php(2324): SkinTemplate->outputPage()
#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}