Error
Request ID: AWlyJEHYNBo9dX1kEAfZ
Call to a member function addJsConfigVars() on a non-object (null)
#0 /srv/mediawiki/php-1.33.0-wmf.21/extensions/MobileFrontend/includes/specials/SpecialMobileOptions.php(63): SpecialMobileOptions->setJsConfigVars() #1 /srv/mediawiki/php-1.33.0-wmf.21/includes/specialpage/SpecialPage.php(569): SpecialMobileOptions->execute(NULL) #2 /srv/mediawiki/php-1.33.0-wmf.21/includes/specialpage/SpecialPageFactory.php(558): SpecialPage->run(NULL) #3 /srv/mediawiki/php-1.33.0-wmf.21/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext) #4 /srv/mediawiki/php-1.33.0-wmf.21/includes/MediaWiki.php(867): MediaWiki->performRequest() #5 /srv/mediawiki/php-1.33.0-wmf.21/includes/MediaWiki.php(517): MediaWiki->main() #6 /srv/mediawiki/php-1.33.0-wmf.21/index.php(42): MediaWiki->run() #7 /srv/mediawiki/w/index.php(3): include(string) #8 {main}