This fixes the issue of the "Select configuration" label appearing on top of the extruders in the configuration menu. This could be observed when adding a UM2 with Olsson block.
@@ -41,6 +41,7 @@ Cura.ExpandablePopup
RowLayout
{
anchors.fill: parent
+ visible: Cura.MachineManager.activeMachine ? Cura.MachineManager.activeMachine.hasMaterials : false
Repeater
model: extrudersModel