From c4367add4a3ca54e013f1cb9d1eab60c5b81f615 Mon Sep 17 00:00:00 2001
From: mwganson <mwganson@gmail.com>
Date: Tue, 7 Sep 2021 12:55:20 -0500
Subject: [PATCH] [TechDraw] prevent crash where user has duplicated page
 without dependencies and then tries to remove a view from one of the pages by
 editing the Views property

---
 src/Mod/TechDraw/Gui/MDIViewPage.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/TechDraw/Gui/MDIViewPage.cpp b/src/Mod/TechDraw/Gui/MDIViewPage.cpp
index 13ae474eeb..e1ab9539cf 100644
--- a/src/Mod/TechDraw/Gui/MDIViewPage.cpp
+++ b/src/Mod/TechDraw/Gui/MDIViewPage.cpp
@@ -485,7 +485,7 @@ void MDIViewPage::fixOrphans(bool force)
              * if the user duplicated the page without duplicating dependencies
              */
             int numParentPages = qv->getViewObject()->countParentPages();
-            if (thisPage != pp && numParentPages == 1) {
+            if (thisPage != pp && numParentPages == 0) {
                m_view->removeQView(qv);
             }
         }