This warning is shown because you have more than one level group or a level group that allows multiple selections. To continue using these Add Ons, you should move all levels to a single "one level per" group.
This warning is shown because you have more than one level group or a level group that allows multiple selections. To continue using these Add Ons, you should move all levels to a single "one level per" group.
This warning is shown because you have more than one level group or a level group that allows multiple selections. To continue using these Add Ons, you should move all levels to a single "one level per" group.