delete shipping class getting error "cURL Error: malformed"

[MyNameIsAlaa]

when i try to delete a shipping class i get the following error:

"cURL Error: malformed"

my code:
$woocommerce->delete('products/shipping_classes/19');
i have also tried:
$woocommerce->delete('products/shipping_class/19');

[MyNameIsAlaa]

i got the same error when using $woocommerce->get('products/shipping_classes/19')

[MyNameIsAlaa]

ok it worked after i added use Automattic\WooCommerce\HttpClient\HttpClientException;