The following error ocurrs after upgrade MW 1.15.1 to 1.15.2 (LinkTarget v0.2.0), is there any way to fix it?
Error from line 44 of /var/www/html/extensions/LinkTarget/LinkTarget.php: Call to undefined function wfProfileIn()
Backtrace:
#0 /var/www/html/includes/HookContainer/HookContainer.php(321): {closure}(OutputPage, ParserOutput)
#1 /var/www/html/includes/HookContainer/HookContainer.php(132): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#2 /var/www/html/includes/HookContainer/HookRunner.php(2762): MediaWiki\HookContainer\HookContainer->run(string, array, array)
#3 /var/www/html/includes/OutputPage.php(1968): MediaWiki\HookContainer\HookRunner->onOutputPageParserOutput(OutputPage, ParserOutput)
#4 /var/www/html/includes/OutputPage.php(2016): OutputPage->addParserOutputMetadata(ParserOutput)
#5 /var/www/html/includes/page/Article.php(843): OutputPage->addParserOutput(ParserOutput, array)
#6 /var/www/html/includes/actions/ViewAction.php(74): Article->view()
#7 /var/www/html/includes/MediaWiki.php(527): ViewAction->show()
#8 /var/www/html/includes/MediaWiki.php(313): MediaWiki->performAction(Article, Title)
#9 /var/www/html/includes/MediaWiki.php(940): MediaWiki->performRequest()
#10 /var/www/html/includes/MediaWiki.php(543): MediaWiki->main()
#11 /var/www/html/index.php(53): MediaWiki->run()
#12 /var/www/html/index.php(46): wfIndexMain()
#13 {main}