From b3b19b773fc38cc04d61232d80c46f5240ce623a Mon Sep 17 00:00:00 2001
From: bogdan202 <byampolskiy@202-ecommerce.com>
Date: Mon, 12 Aug 2024 15:17:58 +0200
Subject: [PATCH] refs #47539 warning during product indexing

---
 src/Services/ProductAttributeCombination.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Services/ProductAttributeCombination.php b/src/Services/ProductAttributeCombination.php
index 0f2afeb2..961141b7 100644
--- a/src/Services/ProductAttributeCombination.php
+++ b/src/Services/ProductAttributeCombination.php
@@ -104,7 +104,7 @@ public function get(Product $product, $idLang = null, $idShop = null)
                 $combinations[$idProductAttribute]['id_product_attribute'] = $idProductAttribute;
                 $combinations[$idProductAttribute]['ean13'] = $row['ean13'];
                 $combinations[$idProductAttribute]['upc'] = $row['upc'];
-                $combinations[$idProductAttribute]['mpn'] = $row['mpn'];
+                $combinations[$idProductAttribute]['mpn'] = empty($row['mpn']) ? '' : $row['mpn'];
                 $combinations[$idProductAttribute]['quantity'] = \Cache::retrieve($cache_key);
                 $combinations[$idProductAttribute]['weight'] = $row['weight'];
                 $combinations[$idProductAttribute]['reference'] = $row['reference'];