From a03c33381f2c5af5864098af66e994af9c59aad0 Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Wed, 4 Mar 2026 18:51:15 +0900
Subject: [PATCH] Fix error when updating a document with a required file #2685

---
 modules/extravar/models/Value.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/extravar/models/Value.php b/modules/extravar/models/Value.php
index 4e3a21bc8..8780b8f94 100644
--- a/modules/extravar/models/Value.php
+++ b/modules/extravar/models/Value.php
@@ -323,7 +323,7 @@ class Value
 		}
 
 		// Check that a file value is actually an uploaded file.
-		if ($this->type === 'file' && $value)
+		if ($this->type === 'file' && $value && $value !== $old_value)
 		{
 			if (!isset($value['tmp_name']) || !is_uploaded_file($value['tmp_name']))
 			{