From 60880ffa18bb9d49774c7dc9c8520f8e916214c5 Mon Sep 17 00:00:00 2001
From: hideki_okajima <hideki518c@gmail.com>
Date: Tue, 28 Jul 2020 10:29:13 +0900
Subject: [PATCH] =?UTF-8?q?trigger=20=E3=83=87=E3=83=BC=E3=82=BF=E3=81=AB?=
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---
 Service/CoreEntityTrigger.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Service/CoreEntityTrigger.php b/Service/CoreEntityTrigger.php
index 4d144b4..f63050f 100644
--- a/Service/CoreEntityTrigger.php
+++ b/Service/CoreEntityTrigger.php
@@ -44,7 +44,7 @@ public function emitFor($entity)
         } elseif ($entity instanceof ProductTag) {
             return $entity->getProduct();
         } elseif ($entity instanceof ProductStock) {
-            return $entity->getProductClass()->getProduct();
+            return is_null($entity->getProductClass()) ? null : $entity->getProductClass()->getProduct();
         } elseif ($entity instanceof TaxRule) {
             return $entity->getProduct();
         } elseif ($entity instanceof ProductImage) {