Fatal error: Uncaught Error: Class 'React\EventLoop\Factory' not found in /var/www/html/amazstar/vendor/unreal4u/telegram-api/examples/send-document-custom-name.php:13 Stack trace: #0 {main} thrown in /var/www/html/amazstar/vendor/unreal4u/telegram-api/examples/send-document-custom-name.php on line 13