Fatal error: Uncaught Error: Class "Ratchet\Wamp\Exception" not found in /var/www/html/mun/vendor/cboden/ratchet/src/Ratchet/Wamp/JsonException.php:4
Stack trace:
#0 {main}
thrown in /var/www/html/mun/vendor/cboden/ratchet/src/Ratchet/Wamp/JsonException.php on line 4