diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py index e0293c200f..3447581bca 100755 --- a/cura/Settings/MachineManager.py +++ b/cura/Settings/MachineManager.py @@ -598,6 +598,8 @@ class MachineManager(QObject): global_container_stack = cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack() if not global_container_stack: return False + if not self.activeQualityGroup: + return False return self.activeQualityGroup.is_available @pyqtProperty(bool, notify = activeQualityGroupChanged)