diff --git a/app/CustomFuncPao.php b/app/CustomFuncPao.php
index e7abcc8a..27d7dbb7 100644
--- a/app/CustomFuncPao.php
+++ b/app/CustomFuncPao.php
@@ -1000,6 +1000,7 @@ class ArticleFormatter
     {
         if (!$product) {
             return [
+                'stock_quantity' => 0,
                 'quantity' => 0,
                 'price' => '',
                 'color' => 'black',
@@ -1007,9 +1008,14 @@ class ArticleFormatter
             ];
         }
 
-        $quantity = intval($product['stock_quantity']);
-        $price = $product['sale_price'] ?: $product['price'];
-
+        if (isset($product['stock_quantity'])) {
+            $quantity = intval($product['stock_quantity']);
+        }
+        $price = $product['price'];
+        if (isset($product['sale_price'])) {
+            $price = $product['sale_price'];
+        }
+            
         return [
             'quantity' => $quantity,
             'price' => $price,