Version 5.0.6

applications/core/sources/Rss/Import.php

@@ -223,7 +223,7 @@ class Import extends Model
 	 */
 	public function get__extension() : object
 	{
-		$classname = 'IPS\\' . $this->_application->directory . '\extensions\core\RssImport\RssImport';
+		$classname = Application::getExtensionClass( $this->_application->directory, 'RssImport', 'RssImport' );
 		return new $classname;
 	}