MediaWiki internal error.

Original exception: [d88047f541efaff6298356a2] /w-main/index.php?title=%D0%A2%D0%B5%D0%BE%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A2%D0%B5%D0%BA%D1%83%D1%89%D0%B8%D0%B5_%D0%B7%D0%B0%D0%B4%D0%B0%D1%87%D0%B8&diff=prev&oldid=1193 MWUnknownContentModelException from line 201 of /home/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php: The content model 'smw/schema' 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/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php(266): MediaWiki\Content\ContentHandlerFactory->validateContentHandler()
#1 /home/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php(189): MediaWiki\Content\ContentHandlerFactory->createContentHandlerFromHook()
#2 /home/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php(97): MediaWiki\Content\ContentHandlerFactory->createForModelID()
#3 /home/www/ru.teopedia.org/mw-1.35.1/includes/page/WikiPage.php(311): MediaWiki\Content\ContentHandlerFactory->getContentHandler()
#4 /home/www/ru.teopedia.org/mw-1.35.1/includes/page/WikiPage.php(297): WikiPage->getContentHandler()
#5 /home/www/ru.teopedia.org/mw-1.35.1/includes/page/Article.php(2547): WikiPage->getActionOverrides()
#6 /home/www/ru.teopedia.org/mw-1.35.1/includes/actions/Action.php(130): Article->getActionOverrides()
#7 /home/www/ru.teopedia.org/mw-1.35.1/includes/actions/Action.php(189): Action::factory()
#8 /home/www/ru.teopedia.org/mw-1.35.1/includes/MediaWiki.php(166): Action::getActionName()
#9 /home/www/ru.teopedia.org/mw-1.35.1/includes/MediaWiki.php(903): MediaWiki->getAction()
#10 /home/www/ru.teopedia.org/mw-1.35.1/includes/MediaWiki.php(543): MediaWiki->main()
#11 /home/www/ru.teopedia.org/mw-1.35.1/index.php(53): MediaWiki->run()
#12 /home/www/ru.teopedia.org/mw-1.35.1/index.php(46): wfIndexMain()
#13 {main}

Exception caught inside exception handler: [d88047f541efaff6298356a2] /w-main/index.php?title=%D0%A2%D0%B5%D0%BE%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F:%D0%A2%D0%B5%D0%BA%D1%83%D1%89%D0%B8%D0%B5_%D0%B7%D0%B0%D0%B4%D0%B0%D1%87%D0%B8&diff=prev&oldid=1193 MWUnknownContentModelException from line 201 of /home/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php: The content model 'smw/schema' 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/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php(266): MediaWiki\Content\ContentHandlerFactory->validateContentHandler()
#1 /home/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php(189): MediaWiki\Content\ContentHandlerFactory->createContentHandlerFromHook()
#2 /home/www/ru.teopedia.org/mw-1.35.1/includes/content/ContentHandlerFactory.php(97): MediaWiki\Content\ContentHandlerFactory->createForModelID()
#3 /home/www/ru.teopedia.org/mw-1.35.1/includes/page/WikiPage.php(311): MediaWiki\Content\ContentHandlerFactory->getContentHandler()
#4 /home/www/ru.teopedia.org/mw-1.35.1/includes/page/WikiPage.php(297): WikiPage->getContentHandler()
#5 /home/www/ru.teopedia.org/mw-1.35.1/includes/page/Article.php(2547): WikiPage->getActionOverrides()
#6 /home/www/ru.teopedia.org/mw-1.35.1/includes/actions/Action.php(130): Article->getActionOverrides()
#7 /home/www/ru.teopedia.org/mw-1.35.1/includes/actions/Action.php(189): Action::factory()
#8 /home/www/ru.teopedia.org/mw-1.35.1/extensions/CharInsert/includes/CharInsert.php(24): Action::getActionName()
#9 /home/www/ru.teopedia.org/mw-1.35.1/includes/HookContainer/HookContainer.php(320): MediaWiki\Extensions\CharInsert\CharInsert::onBeforePageDisplay()
#10 /home/www/ru.teopedia.org/mw-1.35.1/includes/HookContainer/HookContainer.php(131): MediaWiki\HookContainer\HookContainer->callLegacyHook()
#11 /home/www/ru.teopedia.org/mw-1.35.1/includes/HookContainer/HookRunner.php(991): MediaWiki\HookContainer\HookContainer->run()
#12 /home/www/ru.teopedia.org/mw-1.35.1/includes/OutputPage.php(2610): MediaWiki\HookContainer\HookRunner->onBeforePageDisplay()
#13 /home/www/ru.teopedia.org/mw-1.35.1/includes/exception/MWException.php(193): OutputPage->output()
#14 /home/www/ru.teopedia.org/mw-1.35.1/includes/exception/MWException.php(231): MWException->reportHTML()
#15 /home/www/ru.teopedia.org/mw-1.35.1/includes/exception/MWExceptionHandler.php(104): MWException->report()
#16 /home/www/ru.teopedia.org/mw-1.35.1/includes/exception/MWExceptionHandler.php(185): MWExceptionHandler::report()
#17 /home/www/ru.teopedia.org/mw-1.35.1/includes/MediaWiki.php(576): MWExceptionHandler::handleException()
#18 /home/www/ru.teopedia.org/mw-1.35.1/index.php(53): MediaWiki->run()
#19 /home/www/ru.teopedia.org/mw-1.35.1/index.php(46): wfIndexMain()
#20 {main}