From 930e378c0a25bffb40eef0d7e3c573302457057a Mon Sep 17 00:00:00 2001
From: xieqiyu <xieqiyu@easycorp.ltd>
Date: Wed, 16 Nov 2022 10:18:25 +0800
Subject: [PATCH] * Fix bug#29860.

---
 module/project/model.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/module/project/model.php b/module/project/model.php
index 472a23d353..adf33cd897 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1700,10 +1700,13 @@ class projectModel extends model
             {
                 if(!$oldProject->hasProduct && $oldProject->name != $project->name) $this->updateProductName($project->name, $projectID);
 
-                $linkedProducts = $this->dao->select('product')->from(TABLE_PROJECTPRODUCT)->where('project')->eq($projectID)->fetchPairs();
-                $this->updateProductProgram($oldProject->parent, $project->parent, $linkedProducts);
+                if(isset($project->parent))
+                {
+                    $linkedProducts = $this->dao->select('product')->from(TABLE_PROJECTPRODUCT)->where('project')->eq($projectID)->fetchPairs();
+                    $this->updateProductProgram($oldProject->parent, $project->parent, $linkedProducts);
+                    if($oldProject->parent != $project->parent) $this->loadModel('program')->processNode($projectID, $project->parent, $oldProject->path, $oldProject->grade);
+                }
 
-                if($oldProject->parent != $project->parent) $this->loadModel('program')->processNode($projectID, $project->parent, $oldProject->path, $oldProject->grade);
                 /* When acl is open, white list set empty. When acl is private,update user view. */
                 if($project->acl == 'open') $this->loadModel('personnel')->updateWhitelist(array(), 'project', $projectID);
                 if($project->acl != 'open') $this->loadModel('user')->updateUserView($projectID, 'project');