Warning: require(vendor/autoload.php): failed to open stream: No such file or directory in D:\xampp\htdocs\MCH MPOS Application\Webservice\vendor\phpmailer\src\get_oauth_token.php on line 61

Fatal error: require(): Failed opening required 'vendor/autoload.php' (include_path='\xampp\php\PEAR') in D:\xampp\htdocs\MCH MPOS Application\Webservice\vendor\phpmailer\src\get_oauth_token.php on line 61