We are currently using Vignette Media 7.5
We have a custom content type definition "A" with existing content instance. Right now we need to extend "A" so that it can relate to other content instances of content type "B"
For example let's say "A" defines a product catalog page, and we currently have many instance of catalog page. Now we need to modify the the content type so that it can reference to content instances of "computer description page".
I tried adding in data source attributes with relator widget, but the error message tells me that I cannot add a "required field with existinc content instance". If I delete the required filed (which maps to the primarily key colum of some database table) then the error will say I must add an attribute which maps to the key column.
It looks like I'm stuck.
Is there any way to modify the existing content type definition so that it can hanle new one-to -many relationship?