Warning: require_once(../libs/PhpCoap/vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/coap_server/coap_server_PHP8.2.php on line 36

Fatal error: Uncaught Error: Failed opening required '../libs/PhpCoap/vendor/autoload.php' (include_path='.:/usr/share/php') in /var/www/html/coap_server/coap_server_PHP8.2.php:36 Stack trace: #0 {main} thrown in /var/www/html/coap_server/coap_server_PHP8.2.php on line 36