Exception encountered, of type "PDOException"
[4c0a90bdd80e7585328fcfd4] /index.php?diff=169043&oldid=168948&title=%E3%83%95%E3%83%AD%E3%83%BC%E3%83%AC%E3%83%B3%E3%82%B9%E5%85%89%E5%8D%97%E7%94%BA%E3%82%B7%E3%83%86%E3%82%A3%E3%83%AC%E3%82%B8%E3%83%87%E3%83%B3%E3%82%B9 PDOException from line 47 of /var/www/html/mediawiki/bo_lib.php: SQLSTATE[08004] [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/ad_pc_middle_options_kk.php(5): bo_lib::instance()
#5 /var/www/html/mediawiki/extensions/SutekiCustom/SutekiCustom.php(356): require_once(string)
#6 /var/www/html/mediawiki/includes/Hooks.php(195): SutekiCustom::onParserSectionCreate(Parser, integer, string, boolean)
#7 /var/www/html/mediawiki/includes/parser/Parser.php(4800): Hooks::run(string, array)
#8 /var/www/html/mediawiki/includes/parser/Parser.php(1280): Parser->formatHeadings(string, string, boolean)
#9 /var/www/html/mediawiki/includes/parser/Parser.php(446): Parser->internalParse(string)
#10 /var/www/html/mediawiki/includes/content/WikitextContent.php(331): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#11 /var/www/html/mediawiki/includes/content/AbstractContent.php(497): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#12 /var/www/html/mediawiki/includes/poolcounter/PoolWorkArticleView.php(139): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#13 /var/www/html/mediawiki/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#14 /var/www/html/mediawiki/includes/page/WikiPage.php(1076): PoolCounterWork->execute()
#15 /var/www/html/mediawiki/includes/diff/DifferenceEngine.php(636): WikiPage->getParserOutput(ParserOptions, integer)
#16 /var/www/html/mediawiki/includes/diff/DifferenceEngine.php(614): DifferenceEngine->getParserOutput(WikiPage, Revision)
#17 /var/www/html/mediawiki/includes/diff/DifferenceEngine.php(456): DifferenceEngine->renderNewRevision()
#18 /var/www/html/mediawiki/includes/page/Article.php(787): DifferenceEngine->showDiffPage(boolean)
#19 /var/www/html/mediawiki/includes/page/Article.php(498): Article->showDiffPage()
#20 /var/www/html/mediawiki/includes/actions/ViewAction.php(44): Article->view()
#21 /var/www/html/mediawiki/includes/MediaWiki.php(503): ViewAction->show()
#22 /var/www/html/mediawiki/includes/MediaWiki.php(288): MediaWiki->performAction(Article, Title)
#23 /var/www/html/mediawiki/includes/MediaWiki.php(745): MediaWiki->performRequest()
#24 /var/www/html/mediawiki/includes/MediaWiki.php(519): MediaWiki->main()
#25 /var/www/html/mediawiki/index.php(43): MediaWiki->run()
#26 {main}