From af68c8c1dc0ba325971911dfcd5a2f5058a51c9d Mon Sep 17 00:00:00 2001
From: xtemp09 <xtemp09@gmail.com>
Date: Sat, 2 Dec 2023 20:12:38 +0700
Subject: [PATCH] [Sketcher] Fix crash described in #10975

---
 src/Mod/Sketcher/Gui/DrawSketchHandlerArcOfHyperbola.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/Sketcher/Gui/DrawSketchHandlerArcOfHyperbola.h b/src/Mod/Sketcher/Gui/DrawSketchHandlerArcOfHyperbola.h
index c3054e61a4..4b33bd453b 100644
--- a/src/Mod/Sketcher/Gui/DrawSketchHandlerArcOfHyperbola.h
+++ b/src/Mod/Sketcher/Gui/DrawSketchHandlerArcOfHyperbola.h
@@ -256,13 +256,13 @@ public:
                    * b));
 
             if (boost::math::isnan(startAngle) || boost::math::isnan(endAngle)) {
-                sketchgui->purgeHandler();
                 Gui::NotifyError(
                     sketchgui,
                     QT_TRANSLATE_NOOP("Notifications", "Error"),
                     QT_TRANSLATE_NOOP(
                         "Notifications",
                         "Cannot create arc of hyperbola from invalid angles, try again!"));
+                sketchgui->purgeHandler();
                 return false;
             }