Steps to Reproduce
- Visit https://en.m.wikisource.org/wiki/Charter_of_Fundamental_Rights_of_the_European_Union OR https://ur.m.wikipedia.org/wiki/580%D8%A1_%DA%A9%DB%8C_%D8%AF%DB%81%D8%A7%D8%A6%DB%8C OR https://es.wikisource.org/wiki/Acuerdo_Final_para_la_Terminaci%C3%B3n_del_Conflicto_y_la_Construcci%C3%B3n_de_una_Paz_Estable_y_Duradera:_05
- Review the logstash https://logstash.wikimedia.org/app/kibana#/dashboard/Reading-Web
Expected Results
- No warnings
Actual Results
PHP Warning: Invalid State Error #0 /srv/mediawiki/php-1.32.0-wmf.10/extensions/MobileFrontend/includes/MobileFormatter.php(520): MWExceptionHandler::handleError(integer, string, string, integer, array, array) #1 /srv/mediawiki/php-1.32.0-wmf.10/extensions/MobileFrontend/includes/MobileFormatter.php(199): MobileFormatter->makeSections(DOMDocument, array, array) #2 /srv/mediawiki/php-1.32.0-wmf.10/extensions/MobileFrontend/includes/MobileFrontend.body.php(65): MobileFormatter->filterContent(boolean, boolean, boolean, boolean) #3 /srv/mediawiki/php-1.32.0-wmf.10/extensions/MobileFrontend/includes/MobileFrontend.hooks.php(231): ExtMobileFrontend::domParse(OutputPage, string, boolean) #4 /srv/mediawiki/php-1.32.0-wmf.10/includes/Hooks.php(174): MobileFrontendHooks::onOutputPageBeforeHTML(OutputPage, string) #5 /srv/mediawiki/php-1.32.0-wmf.10/includes/Hooks.php(234): Hooks::callHook(string, array, array, NULL, string) #6 /srv/mediawiki/php-1.32.0-wmf.10/includes/OutputPage.php(1899): Hooks::runWithoutAbort(string, array) #7 /srv/mediawiki/php-1.32.0-wmf.10/includes/OutputPage.php(1911): OutputPage->addParserOutputText(ParserOutput, array) #8 /srv/mediawiki/php-1.32.0-wmf.10/includes/page/Article.php(546): OutputPage->addParserOutput(ParserOutput, array) #9 /srv/mediawiki/php-1.32.0-wmf.10/includes/actions/ViewAction.php(68): Article->view() #10 /srv/mediawiki/php-1.32.0-wmf.10/includes/MediaWiki.php(500): ViewAction->show() #11 /srv/mediawiki/php-1.32.0-wmf.10/includes/MediaWiki.php(294): MediaWiki->performAction(Article, Title) #12 /srv/mediawiki/php-1.32.0-wmf.10/includes/MediaWiki.php(867): MediaWiki->performRequest() #13 /srv/mediawiki/php-1.32.0-wmf.10/includes/MediaWiki.php(524): MediaWiki->main() #14 /srv/mediawiki/php-1.32.0-wmf.10/index.php(42): MediaWiki->run() #15 /srv/mediawiki/w/index.php(3): include(string) #16 {main}
There are are about 2000 reports at time of writing but each occurrence generates dozens of exceptions.
Detailed discussion in T151838.