Fatal error: Uncaught Error: Class "PhpMqtt\Client\Exceptions\MqttClientException" not found in /var/www/html/20240806162226/vendor/php-mqtt/client/src/Exceptions/InvalidMessageException.php:12 Stack trace: #0 {main} thrown in /var/www/html/20240806162226/vendor/php-mqtt/client/src/Exceptions/InvalidMessageException.php on line 12