Fatal error: Uncaught Error: Call to undefined method phpbb\language\language::add_lang_ext() in /var/www/vhosts/svrider.de/httpdocs/Forum/ext/svrider/topicEvaluation/event/main_listener.php:130 Stack trace: #0 /var/www/vhosts/svrider.de/httpdocs/Forum/vendor/symfony/event-dispatcher/EventDispatcher.php(184): svrider\topicEvaluation\event\main_listener->addEvaluationToTopicPage(Object(phpbb\event\data), 'core.viewtopic_...', Object(phpbb\event\dispatcher)) #1 /var/www/vhosts/svrider.de/httpdocs/Forum/vendor/symfony/event-dispatcher/EventDispatcher.php(46): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'core.viewtopic_...', Object(phpbb\event\data)) #2 /var/www/vhosts/svrider.de/httpdocs/Forum/phpbb/event/dispatcher.php(62): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('core.viewtopic_...', Object(phpbb\event\data)) #3 /var/www/vhosts/svrider.de/httpdocs/Forum/phpbb/event/dispatcher.php(46): phpbb\event\dispatcher->dispatch('core.viewtopic_...', Object(phpbb\event\data)) #4 /var/www/vh in /var/www/vhosts/svrider.de/httpdocs/Forum/ext/svrider/topicEvaluation/event/main_listener.php on line 130