Fatal error: Uncaught Error: Interface "Ratchet\MessageComponentInterface" not found in /home/painel/public_html/websocket/core-css-refresh/Chat.php:8 Stack trace: #0 /home/painel/public_html/websocket/core-css-refresh/index.php(15): require() #1 {main} thrown in /home/painel/public_html/websocket/core-css-refresh/Chat.php on line 8