No matches were found for subject:"\[Wikidata\-bugs\] \[Maniphest\] \[Changed Subscribers\] T111304\: Fatal error\: Call to undefined method OOUI\\Element\:\:serializeForApiResult\(\) in \/srv\/mediawiki\/php\-1.26wmf21\/vendor\/oojs\/oojs\-ui\/php\/Element.php on line 117"