Error
Request ID: AWlyMvM9NBo9dX1kEyGJ
message
PHP Notice: Undefined variable: output
trace
#0 /srv/mediawiki/php-1.33.0-wmf.21/extensions/MobileFrontend/includes/specials/SpecialMobileOptions.php(47): MWExceptionHandler::handleError(integer, string, string, integer, array, array)
#1 /srv/mediawiki/php-1.33.0-wmf.21/extensions/MobileFrontend/includes/specials/SpecialMobileOptions.php(63): SpecialMobileOptions->setJsConfigVars()
#2 /srv/mediawiki/php-1.33.0-wmf.21/includes/specialpage/SpecialPage.php(569): SpecialMobileOptions->execute(NULL)
#3 /srv/mediawiki/php-1.33.0-wmf.21/includes/specialpage/SpecialPageFactory.php(558): SpecialPage->run(NULL)
#4 /srv/mediawiki/php-1.33.0-wmf.21/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#5 /srv/mediawiki/php-1.33.0-wmf.21/includes/MediaWiki.php(867): MediaWiki->performRequest()
#6 /srv/mediawiki/php-1.33.0-wmf.21/includes/MediaWiki.php(517): MediaWiki->main()
#7 /srv/mediawiki/php-1.33.0-wmf.21/index.php(42): MediaWiki->run()
#8 /srv/mediawiki/w/index.php(3): include(string)
#9 {main}