Warning: require(vendor/autoload.php): failed to open stream: No such file or directory in D:\xampp\htdocs\api\web_car_ncr_api\src\PHPMailer\get_oauth_token.php on line 59

Fatal error: require(): Failed opening required 'vendor/autoload.php' (include_path='D:\xampp\php\PEAR') in D:\xampp\htdocs\api\web_car_ncr_api\src\PHPMailer\get_oauth_token.php on line 59