fix: #156

src/QUI/ERP/Order/AbstractOrder.php

@@ -14,6 +14,7 @@
 use QUI\ERP\Order\ProcessingStatus\Handler as ProcessingHandler;
 use QUI\ERP\Shipping\ShippingStatus\Handler as ShippingStatusHandler;
 
+use function array_filter;
 use function array_flip;
 use function date;
 use function is_array;
@@ -806,6 +807,10 @@ public function getDeliveryAddress(): QUI\ERP\Address
     {
         $delivery = $this->addressDelivery;
 
+        // quiqqer/order#156
+        // cleanup, to check the delivery address
+        $delivery = array_filter($delivery);
+
         if (isset($delivery['id'])) {
             unset($delivery['id']);
         }