Warning: require_once(../../../vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/landing_publicidade/vendor/mercadopago/dx-php/examples/Order/Transaction/Update.php on line 6

Fatal error: Uncaught Error: Failed opening required '../../../vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /var/www/html/landing_publicidade/vendor/mercadopago/dx-php/examples/Order/Transaction/Update.php:6 Stack trace: #0 {main} thrown in /var/www/html/landing_publicidade/vendor/mercadopago/dx-php/examples/Order/Transaction/Update.php on line 6