Kesalahan internal

[c6d2c99266fda7e049d4e8f1] /index.php?title=GIS_AH_IND_M5&printable=yes Error from line 101 of /var/www/git/core/extensions/Math/Math.hooks.php: Call to undefined function wfProfileIn()

Backtrace:

#0 /var/www/git/core/includes/parser/Parser.php(3888): MathHooks::mathTagHook(string, array, Parser, PPFrame_DOM)
#1 /var/www/git/core/includes/parser/Preprocessor_DOM.php(1362): Parser->extensionSubstitution(array, PPFrame_DOM)
#2 /var/www/git/core/includes/parser/Parser.php(2942): PPFrame_DOM->expand(DOMElement, integer)
#3 /var/www/git/core/includes/parser/Parser.php(1293): Parser->replaceVariables(string)
#4 /var/www/git/core/includes/parser/Parser.php(443): Parser->internalParse(string)
#5 /var/www/git/core/includes/content/WikitextContent.php(323): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#6 /var/www/git/core/includes/content/AbstractContent.php(516): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#7 /var/www/git/core/includes/poolcounter/PoolWorkArticleView.php(144): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#8 /var/www/git/core/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#9 /var/www/git/core/includes/page/Article.php(604): PoolCounterWork->execute()
#10 /var/www/git/core/includes/actions/ViewAction.php(68): Article->view()
#11 /var/www/git/core/includes/MediaWiki.php(500): ViewAction->show()
#12 /var/www/git/core/includes/MediaWiki.php(294): MediaWiki->performAction(Article, Title)
#13 /var/www/git/core/includes/MediaWiki.php(818): MediaWiki->performRequest()
#14 /var/www/git/core/includes/MediaWiki.php(524): MediaWiki->main()
#15 /var/www/git/core/index.php(42): MediaWiki->run()
#16 {main}