From ca40cec06811547d1e4a0472f83e0420551461aa Mon Sep 17 00:00:00 2001
From: Uwe <donovaly@users.noreply.github.com>
Date: Thu, 17 Mar 2022 20:30:25 +0100
Subject: [PATCH] [Gui] add a necessary debug header

as reported: https://github.com/FreeCAD/FreeCAD/commit/2a49e389b2bb33fbfd3d8d50ba030fb34de4ff92#r68944028
---
 src/Gui/View3DInventorViewer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Gui/View3DInventorViewer.cpp b/src/Gui/View3DInventorViewer.cpp
index e817b7c84c..f4d49663ab 100644
--- a/src/Gui/View3DInventorViewer.cpp
+++ b/src/Gui/View3DInventorViewer.cpp
@@ -47,6 +47,7 @@
 # include <Inventor/elements/SoLightModelElement.h>
 # include <Inventor/elements/SoOverrideElement.h>
 # include <Inventor/elements/SoViewportRegionElement.h>
+# include <Inventor/errors/SoDebugError.h>
 # include <Inventor/events/SoEvent.h>
 # include <Inventor/events/SoKeyboardEvent.h>
 # include <Inventor/events/SoMotion3Event.h>