Facing this fatal error Response has unsuccessful status
use RingCentralSDKHttpHttpException;
use RingCentralHttpResponse;
use RingCentralSDKSDK;
require_once(__DIR__ . '/vendor/autoload.php');
$rcsdk = new SDK('******', '*****', 'https://platform.devtest.ringcentral.com', 'Demo', '1.0.0');
$platform = $rcsdk->platform();
$auth = $platform->login('+12679304066', '101', '*******');
// Load something nonexistent
echo 'login response:' . $auth->text(). PHP_EOL;

installed via composer curl is enabled and also added i php.ini
curl.cainfo = "E:/wamp/cacert.pem" after downloading pem file.