Fatal error: Uncaught Error: Class "PhpMqtt\Client\MessageProcessors\BaseMessageProcessor" not found in /var/www/html/20240806162226/vendor/php-mqtt/client/src/MessageProcessors/Mqtt31MessageProcessor.php:21 Stack trace: #0 {main} thrown in /var/www/html/20240806162226/vendor/php-mqtt/client/src/MessageProcessors/Mqtt31MessageProcessor.php on line 21