Warning: require_once(../vendor/autoload.php): Failed to open stream: No such file or directory in /opt/lampp/htdocs/kkfood/groupbuy/login.php on line 13

Fatal error: Uncaught Error: Failed opening required '../vendor/autoload.php' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/kkfood/groupbuy/login.php:13 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kkfood/groupbuy/login.php on line 13