There is an author named GameEventEditor already drawing GameEvent as Odin were not drawing it, not getting the benefits of Odin -33387can get from OdinEditor instead of Editor in GameEventEditor class, and manaully use Odin's utilities via the PropertyTree (base.Tree) for doing the drawing.
There is an editor called GameEventEditor already drawing GameEvent - therefore, Odin is not drawing it, and you are not getting the benefits of Odin. You can derive from OdinEditor instead of Editor in the GameEventEditor class, and manually use Odin's utilities via the PropertyTree (base.Tree) to do the drawing.