Fatal error: Uncaught Error: Class 'MediaWiki\TimedMediaHandler\TimedText\DOM\Node' not found in /var/www/html/wiki_2023/extensions/TimedMediaHandler/includes/TimedText/DOM/LeafNode.php:8 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/TimedMediaHandler/includes/TimedText/DOM/LeafNode.php on line 8