From 19d1ed9c335a1d9ea1ccf718f420444acb4ec277 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Fri, 4 Oct 2019 09:30:17 +0200
Subject: [PATCH] fix Trying to access array offset on value of type null (7.4)

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

diff --git a/src/Form.php b/src/Form.php
index 035cd85b..3ee441c2 100644
--- a/src/Form.php
+++ b/src/Form.php
@@ -364,7 +364,7 @@ public function bindValues(array $values = [], array $validationGroup = null)
             $data = array_key_exists($this->baseFieldset->getName(), $data)
                 ? $data[$this->baseFieldset->getName()]
                 : [];
-            $this->object = $this->baseFieldset->bindValues($data, $validationGroup[$this->baseFieldset->getName()]);
+            $this->object = $this->baseFieldset->bindValues($data, $validationGroup ? $validationGroup[$this->baseFieldset->getName()] : null);
         } else {
             $this->object = parent::bindValues($data, $validationGroup);
         }