From 4c0b4ae870fb8ad035dc757226d845b4066cd3e0 Mon Sep 17 00:00:00 2001
From: Arjen Hiemstra <ahiemstra@heimr.nl>
Date: Thu, 29 Oct 2015 13:54:26 +0100
Subject: [PATCH] Double check that the active instance and profile are set
 before updating disallowed

Contributes to CURA-138
---
 cura/BuildVolume.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cura/BuildVolume.py b/cura/BuildVolume.py
index 42f301fb5a..223f8a3693 100644
--- a/cura/BuildVolume.py
+++ b/cura/BuildVolume.py
@@ -186,6 +186,9 @@ class BuildVolume(SceneNode):
             self.rebuild()
 
     def _updateDisallowedAreas(self):
+        if not self._active_instance or not self._active_profile:
+            return
+
         disallowed_areas = self._active_instance.getMachineSettingValue("machine_disallowed_areas")
         areas = []