From 4c1e7835bd419b970b49ffdb75586d4e8b3c7881 Mon Sep 17 00:00:00 2001
From: tetektoza <tetektoza@gmail.com>
Date: Tue, 17 Jun 2025 00:15:49 +0200
Subject: [PATCH] Core: Add guard in Tree to ensure we don't process items
 during deletion

---
 src/Gui/Tree.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Gui/Tree.cpp b/src/Gui/Tree.cpp
index d7f82de644..314bf1a934 100644
--- a/src/Gui/Tree.cpp
+++ b/src/Gui/Tree.cpp
@@ -5360,6 +5360,11 @@ enum Status {
 
 void DocumentObjectItem::testStatus(bool resetStatus, QIcon& icon1, QIcon& icon2)
 {
+    // guard against calling this during destruction when tree widget may be nullptr
+    if (!treeWidget()) {
+        return;
+    }
+
     App::DocumentObject* pObject = object()->getObject();
 
     int visible = -1;