Same here after the recent update. Also I need to disable rss aggregator Excerpts add-on:
Fatal error: Can’t inherit abstract function Aventura\Wprss\Core\Plugin\PluginInterface::getEventPrefix() (previously declared abstract in Aventura\Wprss\Core\Model\ModelInterface) in /var/www/html/sss.fi/wp-content/plugins/wp-rss-aggregator/includes/Aventura/Wprss/Core/Plugin/PluginAbstract.php on line 13
