For example: <response> <message>Each method must have a doc block. See Macopedia\Allegro\Api\Data\Sales\Order\PickupPointExtensionAttributesInterface::getPointId()</message> But you have more issues regarding web api (magento/vendor/macopedia/magento2-allegro/Api/Data/Sales/Order/PickupPointExtensionAttributesInterface.php)