BPM

I have an organization model and when I expand certain parents to display the children, I receive an error stating: Organization: Capacity Management cannot be linked as the parent of Role: Data Center Space Planning.An object cannot be a child of the same parent more than once. This occurs with other models when I expand…

I am tried to figure out exactly what the "Common" column means beside the Role Name, on the Roles tab in the V9 admin tools. It defaults to True. There doesn't seem to be a way to change it. I reviewed the administration guide and could not find any information. I'd like to know what it means, if you can change it, how to…