Dear All,
I have a BO which has a Node having 0 to N cardinality.
in that i am storing instances of Opportunity hence we have the relationship to multiple opportunity.
So in order to fetch all the sales document and the activities for Each of the opportunity i am doing following binding but it is showing exception..
Is it not possible or i am doing something wrong? I have done following..
1. Created the Data list binded to Related Opportunites
2. Created a Nested Data list by right clicking on Parent data list and bind to the to Activities in the Related opportunities.
Now i have binded second list to advanced list.. but as sooon as i open ui and this page it showing exception 
Please help