Error
MediaWiki version: 1.36.0-wmf.16
message
Error: Call to a member function getAttribute() on null
exception.trace
#0 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/DOMHandlers/EncapsulatedContentHandler.php(71): Wikimedia\Parsoid\Ext\Cite\Ref->domToWikitext(Wikimedia\Parsoid\Ext\ParsoidExtensionAPI, DOMElement, boolean) #1 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(1296): Wikimedia\Parsoid\Html2Wt\DOMHandlers\EncapsulatedContentHandler->handle(DOMElement, Wikimedia\Parsoid\Html2Wt\SerializerState, boolean) #2 [internal function]: Wikimedia\Parsoid\Html2Wt\WikitextSerializer->serializeDOMNode(DOMElement, Wikimedia\Parsoid\Html2Wt\DOMHandlers\EncapsulatedContentHandler) #3 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(1391): call_user_func(array, DOMElement, Wikimedia\Parsoid\Html2Wt\DOMHandlers\EncapsulatedContentHandler) #4 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/SerializerState.php(704): Wikimedia\Parsoid\Html2Wt\WikitextSerializer->serializeNode(DOMElement) #5 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/SerializerState.php(729): Wikimedia\Parsoid\Html2Wt\SerializerState->serializeChildren(DOMElement, NULL) #6 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(1653): Wikimedia\Parsoid\Html2Wt\SerializerState->kickOffSerialize(DOMElement) #7 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(240): Wikimedia\Parsoid\Html2Wt\WikitextSerializer->serializeDOM(DOMElement) #8 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(251): Wikimedia\Parsoid\Html2Wt\WikitextSerializer->domToWikitext(array, DOMElement) #9 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Ext/ParsoidExtensionAPI.php(651): Wikimedia\Parsoid\Html2Wt\WikitextSerializer->htmlToWikitext(array, string) #10 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Ext/Cite/References.php(668): Wikimedia\Parsoid\Ext\ParsoidExtensionAPI->htmlToWikitext(array, string) #11 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/DOMHandlers/EncapsulatedContentHandler.php(71): Wikimedia\Parsoid\Ext\Cite\References->domToWikitext(Wikimedia\Parsoid\Ext\ParsoidExtensionAPI, DOMElement, boolean) #12 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(1296): Wikimedia\Parsoid\Html2Wt\DOMHandlers\EncapsulatedContentHandler->handle(DOMElement, Wikimedia\Parsoid\Html2Wt\SerializerState, boolean) #13 [internal function]: Wikimedia\Parsoid\Html2Wt\WikitextSerializer->serializeDOMNode(DOMElement, Wikimedia\Parsoid\Html2Wt\DOMHandlers\EncapsulatedContentHandler) #14 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(1391): call_user_func(array, DOMElement, Wikimedia\Parsoid\Html2Wt\DOMHandlers\EncapsulatedContentHandler) #15 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/SerializerState.php(704): Wikimedia\Parsoid\Html2Wt\WikitextSerializer->serializeNode(DOMElement) #16 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/SerializerState.php(729): Wikimedia\Parsoid\Html2Wt\SerializerState->serializeChildren(DOMElement, NULL) #17 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Html2Wt/WikitextSerializer.php(1653): Wikimedia\Parsoid\Html2Wt\SerializerState->kickOffSerialize(DOMElement) #18 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Core/WikitextContentModelHandler.php(168): Wikimedia\Parsoid\Html2Wt\WikitextSerializer->serializeDOM(DOMElement) #19 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/src/Parsoid.php(281): Wikimedia\Parsoid\Core\WikitextContentModelHandler->fromDOM(Wikimedia\Parsoid\Config\Env, NULL) #20 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/extension/src/Rest/Handler/ParsoidHandler.php(828): Wikimedia\Parsoid\Parsoid->dom2wikitext(MWParsoid\Config\PageConfig, DOMDocument, array, NULL) #21 /srv/mediawiki/php-1.36.0-wmf.16/vendor/wikimedia/parsoid/extension/src/Rest/Handler/TransformHandler.php(133): MWParsoid\Rest\Handler\ParsoidHandler->html2wt(MWParsoid\Config\PageConfig, array, string) #22 /srv/mediawiki/php-1.36.0-wmf.16/includes/Rest/Router.php(381): MWParsoid\Rest\Handler\TransformHandler->execute() #23 /srv/mediawiki/php-1.36.0-wmf.16/includes/Rest/Router.php(316): MediaWiki\Rest\Router->executeHandler(MWParsoid\Rest\Handler\TransformHandler) #24 /srv/mediawiki/php-1.36.0-wmf.16/includes/Rest/EntryPoint.php(153): MediaWiki\Rest\Router->execute(MediaWiki\Rest\RequestFromGlobals) #25 /srv/mediawiki/php-1.36.0-wmf.16/includes/Rest/EntryPoint.php(117): MediaWiki\Rest\EntryPoint->execute() #26 /srv/mediawiki/php-1.36.0-wmf.16/rest.php(31): MediaWiki\Rest\EntryPoint::main() #27 /srv/mediawiki/w/rest.php(3): require(string) #28 {main}