DELETE order cart error about php-ovh HOT 2 CLOSED

// Information about API and rights asked
$endpoint = 'ovh-eu';
$rights = array( (object) [
    'method'    => 'DELETE',
    'path'      => '/*'
], (object) [
    'method'    => 'GET',
    'path'      => '/*'
], (object) [
    'method'    => 'POST',
    'path'      => '/*'
]);

// Get credentials
$conn = new Api($applicationKey, $applicationSecret, $endpoint);
$credentials = $conn->requestCredentials($rights, $redirection);

 $this->ovh = new Api(
            $config['ovh']['key'],
            $config['ovh']['secret'],
            $config['ovh']['endpoint'],
            $config['ovh']['consumer']
);
$this->ovh->delete('/order/cart/'. $cartId . '/item/' . $itemId);