From 81b4e06a2d22fe366b3d5a03210ddb5daec8f6fc Mon Sep 17 00:00:00 2001
From: wangyidong <wangyidong@cnezsoft.com>
Date: Wed, 6 Sep 2023 13:26:59 +0800
Subject: [PATCH] * Fix bug #38291.

---
 module/common/model.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/common/model.php b/module/common/model.php
index 618c552693..2aa619ecd8 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -2110,7 +2110,7 @@ EOF;
             if(strtolower($key) == 'closeddate'       and $value == '') continue;
             if(strtolower($key) == 'actualcloseddate' and $value == '') continue;
 
-            if(isset($old->$key))
+            if(isset($old->$key) && is_string($old->$key))
             {
                 if($config->edition != 'open' && isset($dateFields[$key])) $old->$key = formatTime($old->$key);