From bca2c69a88f2723ad085be4c46d4104348b8ea0f Mon Sep 17 00:00:00 2001
From: Josh Crawford <joshua@sgroup.com.au>
Date: Sat, 12 Oct 2024 22:15:23 +1100
Subject: [PATCH] Fix an error when creating custom line items

---
 src/services/Codes.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/services/Codes.php b/src/services/Codes.php
index de81924..ecd50fd 100755
--- a/src/services/Codes.php
+++ b/src/services/Codes.php
@@ -18,6 +18,7 @@
 use craft\models\FieldLayout;
 
 use craft\commerce\elements\Order;
+use craft\commerce\enums\LineItemType;
 use craft\commerce\models\LineItem;
 
 use yii\base\Component;
@@ -242,6 +243,11 @@ public function handleValidateLineItem(ModelEvent $event): void
     {
         /** @var LineItem $lineItem */
         $lineItem = $event->sender;
+
+        if ($lineItem->type === LineItemType::Custom) {
+            return;
+        }
+
         $purchasable = $lineItem->getPurchasable();
 
         // make sure it's a Voucher