Hi,
I am having 3 Cubes and 1 Infoobject. For example i have infoojbect A. B is navigational attribute for iobj A. C is navigational attribute for iobj B.
I have included infoobject a and b in my MP dimension.
In Multiprovider i can see C as navigational attribute of B . But when i am assigning them source field i am cannot see any field. I am getting message 
I am getting following Error Message
Same as link Use of Transitive Attributes in BI 7 | SCN