Hi sbounds, yes I did work it out!
Make sure the procedural foliage spawning volume is placed in the correct sub level and it does not go over the edge of the level bounds.
Never place foliage in the persistent level!
Hope that works for you 
Hi sbounds, yes I did work it out!
Make sure the procedural foliage spawning volume is placed in the correct sub level and it does not go over the edge of the level bounds.
Never place foliage in the persistent level!
Hope that works for you