Warning: require_once(../vendor/autoload.php): failed to open stream: No such file or directory in C:\laragon\www\infinity\vendor\hisorange\browser-detect\demo\index.php on line 2

Fatal error: require_once(): Failed opening required '../vendor/autoload.php' (include_path='.;C:/laragon/etc/php/pear') in C:\laragon\www\infinity\vendor\hisorange\browser-detect\demo\index.php on line 2