TC: Organizer -> Assign role to record model structure node

Hello Gurus,

im having some trouble in assigning role to record model's note structure.

Here is what im facing with.

Transaction: ORGANIZER

Record model Z***

Created few structure nodes

Image may be NSFW.
Clik here to view.

Now i want to assign specific roles in the right window "Visible in Role". But these fields are greyed out.

Any ideas, why is this happening.

Regards

Laurynas Prikockis