From 0656dd53c3651bb9634b301058bc2ec177b07c6a Mon Sep 17 00:00:00 2001
From: Arjen Hiemstra <ahiemstra@heimr.nl>
Date: Mon, 20 Mar 2017 17:28:42 +0100
Subject: [PATCH] Override setNextStack in GlobalStack and raise an error if
 called

Since the global stack should never have a next stack

Contributes to CURA-3497
---
 cura/Settings/GlobalStack.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cura/Settings/GlobalStack.py b/cura/Settings/GlobalStack.py
index a2a7ae59dd..5013d1505e 100644
--- a/cura/Settings/GlobalStack.py
+++ b/cura/Settings/GlobalStack.py
@@ -12,6 +12,9 @@ class GlobalStack(ContainerStack):
     def __init__(self, container_id, *args, **kwargs):
         super().__init__(container_id, *args, **kwargs)
 
+    def setNextStack(self, next_stack):
+        raise CannotSetNextStackError("Global stack cannot have a next stack!")
+
 global_stack_mime = MimeType(
     name = "application/x-cura-globalstack",
     comment = "Cura Global Stack",