From 2bcbc6fb3ac772209ffa70c75e00d6d13688520f Mon Sep 17 00:00:00 2001
From: Roy-043 <70520633+Roy-043@users.noreply.github.com>
Date: Mon, 12 Jan 2026 16:12:13 +0100
Subject: [PATCH] Draft: fix constrain error if there is no new point (#26868)

* Add None check before constraining new_point

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 src/Mod/Draft/DraftGui.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Draft/DraftGui.py b/src/Mod/Draft/DraftGui.py
index 6546146f79..c531372ee9 100644
--- a/src/Mod/Draft/DraftGui.py
+++ b/src/Mod/Draft/DraftGui.py
@@ -1719,7 +1719,10 @@ class DraftToolBar:
             self.mask = val
             if hasattr(FreeCADGui, "Snapper"):
                 FreeCADGui.Snapper.mask = val
-                self.new_point = FreeCADGui.Snapper.constrain(self.new_point, self.get_last_point())
+                if self.new_point is not None:
+                    self.new_point = FreeCADGui.Snapper.constrain(
+                        self.new_point, self.get_last_point()
+                    )
 
     def changeXValue(self, d):
         if self.display_point_active: