Fatal error: Could not check compatibility between MediaWiki\Parser\Parsoid\Config\SiteConfig::exportMetadataToHead(MediaWiki\Parser\Parsoid\Config\Wikimedia\Parsoid\DOM\Document $document, MediaWiki\Parser\Parsoid\Config\Wikimedia\Parsoid\Core\ContentMetadataCollector $metadata, string $defaultTitle, string $lang): void and Wikimedia\Parsoid\Config\SiteConfig::exportMetadataToHead(Wikimedia\Parsoid\DOM\Document $document, Wikimedia\Parsoid\Core\ContentMetadataCollector $metadata, string $defaultTitle, string $lang): void, because class MediaWiki\Parser\Parsoid\Config\Wikimedia\Parsoid\DOM\Document is not available in /exst/sites/1/mw-content/includes/parser/Parsoid/Config/SiteConfig.php on line 567