Hi everybody,
i had a closer look at this old rackspace file and i had quite some steps to do to make it work again, and i also had to make some changes to the panel.
So i thought, maybe it’s best to make video of the whole procedure (please don’t mind my English language 
)
and here is the overhauled rackspace file:
B3V2_Organ_new.rackspace (182.0 KB)