From c3037906cc230e7e826f95f2235f63f123fa2124 Mon Sep 17 00:00:00 2001
From: caoyanyi <caoyanyi@easycorp.ltd>
Date: Tue, 29 Aug 2023 16:15:59 +0800
Subject: [PATCH] * Fix bug #37725, change bug mailto is null error.

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

diff --git a/module/bug/model.php b/module/bug/model.php
index 2e56c0dfb2..b9c507d65d 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -3602,7 +3602,7 @@ class bugModel extends model
     {
         /* Set toList and ccList. */
         $toList = $bug->assignedTo;
-        $ccList = trim($bug->mailto, ',');
+        $ccList = $bug->mailto ? trim($bug->mailto, ',') : '';
         if(empty($toList))
         {
             if(empty($ccList)) return false;