#0 /srv/mediawiki/php-1.36.0-wmf.1/includes/specials/SpecialBlock.php(969): MediaWiki\Block\DatabaseBlock->equals(NULL)
#1 /srv/mediawiki/php-1.36.0-wmf.1/includes/specials/SpecialBlock.php(1235): SpecialBlock::processForm(array, RequestContext)
#2 /srv/mediawiki/php-1.36.0-wmf.1/includes/htmlform/HTMLForm.php(707): SpecialBlock->onSubmit(array, OOUIHTMLForm)
#3 /srv/mediawiki/php-1.36.0-wmf.1/includes/htmlform/HTMLForm.php(597): HTMLForm->trySubmit()
#4 /srv/mediawiki/php-1.36.0-wmf.1/includes/htmlform/HTMLForm.php(613): HTMLForm->tryAuthorizedSubmit()
#5 /srv/mediawiki/php-1.36.0-wmf.1/includes/specialpage/FormSpecialPage.php(187): HTMLForm->show()
#6 /srv/mediawiki/php-1.36.0-wmf.1/includes/specialpage/SpecialPage.php(600): FormSpecialPage->execute(string)
#7 /srv/mediawiki/php-1.36.0-wmf.1/includes/specialpage/SpecialPageFactory.php(635): SpecialPage->run(string)
#8 /srv/mediawiki/php-1.36.0-wmf.1/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath(Title, RequestContext)
#9 /srv/mediawiki/php-1.36.0-wmf.1/includes/MediaWiki.php(940): MediaWiki->performRequest()
#10 /srv/mediawiki/php-1.36.0-wmf.1/includes/MediaWiki.php(543): MediaWiki->main()
#11 /srv/mediawiki/php-1.36.0-wmf.1/index.php(53): MediaWiki->run()
#12 /srv/mediawiki/php-1.36.0-wmf.1/index.php(46): wfIndexMain()
#13 /srv/mediawiki/w/index.php(3): require(string)
#14 {main}