Fatal error: Uncaught Error: Class "ElephantIO\Engine\Transport" not found in /var/www/html/server/vendor/elephantio/elephant.io/src/Engine/Transport/Websocket.php:26 Stack trace: #0 {main} thrown in /var/www/html/server/vendor/elephantio/elephant.io/src/Engine/Transport/Websocket.php on line 26