From 5575ae5e0949a166a0d2d55df7b23f0364593852 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 9 Dec 2021 14:16:06 +0100
Subject: [PATCH] Part: [skip ci] 0004665: Part/projection tool : Unhandled
 unknown exception caught when mouse gets over a datum plane

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

diff --git a/src/Mod/Part/Gui/DlgProjectionOnSurface.cpp b/src/Mod/Part/Gui/DlgProjectionOnSurface.cpp
index afef8676df..44e3d9e002 100644
--- a/src/Mod/Part/Gui/DlgProjectionOnSurface.cpp
+++ b/src/Mod/Part/Gui/DlgProjectionOnSurface.cpp
@@ -118,7 +118,7 @@ public:
     std::string subName(sSubName);
     if (subName.empty()) return false;
 
-    auto subShape = aPart->Shape.getShape().getSubShape(sSubName);
+    auto subShape = aPart->Shape.getShape().getSubShape(sSubName, true);
     if (subShape.IsNull()) return false;
     auto type = subShape.ShapeType();
     if (type != TopAbs_FACE) return false;