Class 'Petslane\Bondora\Definition\AccessTokenRequest' not found

[cedricdonie]

Hello, thank you for writing this library. However, I am having an issue. Below is the error. i have not modified the library files.

Fatal error: Uncaught Error: Class 'Petslane\Bondora\Definition\AccessTokenRequest' not found in ****/lib/Api.php:263 Stack trace: #0 ****/index.php(28): Petslane\Bondora\Api->getToken('***....') #1 {main} thrown in ****/Api.php on line 263

I have accessed the Api with this code:

use Petslane\Bondora;
require_once '../lib/Api.php';

$api = new Bondora\Api($config);

// Get login url
$url = $api->getAuthUrl();
// redirect user to $url. After login, user will be redirected back with get parameter 'code'
if (empty($_GET["code"])) {
    header("Location: " . $url);
    echo $url;
}
$code = $_GET["code"];
// get token from 'code' provided after user successful login. Store access_token and refresh_token
echo $code;
$token_object = $api->getToken($code); //Error is in this line

What could I do to fix this error? Thank you in advance.