diff options
| -rwxr-xr-x | plugins/MachineSettingsAction/MachineSettingsAction.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/plugins/MachineSettingsAction/MachineSettingsAction.py b/plugins/MachineSettingsAction/MachineSettingsAction.py index 25586ddeb0..28535024a7 100755 --- a/plugins/MachineSettingsAction/MachineSettingsAction.py +++ b/plugins/MachineSettingsAction/MachineSettingsAction.py @@ -60,6 +60,8 @@ class MachineSettingsAction(MachineAction): # flavour setting is changed. def _updateHasMaterialsInContainerTree(self) -> None: global_stack = cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack() + if global_stack is None: + return machine_node = ContainerTree.getInstance().machines[global_stack.definition.getId()] if machine_node.has_materials != parseBool(global_stack.getMetaDataEntry("has_materials")): # May have changed due to the g-code flavour. |