Warning: require_once(D:\Project\php-qrcode-main/../vendor/autoload.php): Failed to open stream: No such file or directory in D:\Project\php-qrcode-main\index.php on line 19

Fatal error: Uncaught Error: Failed opening required 'D:\Project\php-qrcode-main/../vendor/autoload.php' (include_path='D:\xampp\php\PEAR') in D:\Project\php-qrcode-main\index.php:19 Stack trace: #0 {main} thrown in D:\Project\php-qrcode-main\index.php on line 19