Diagnosis
The line item &v1& is used in aggregate '&v2&'.

System Response
If you are dealing with a line item that has many characteristic values,the aggregate can become as large as the InfoCube. This means that thereis probably no advantage in having an aggregate in this case.
This message does not appear in the expert mode.

Procedure
Check the number of characteristic values in the line item and deletethe line item from the aggregate, if including it means that theaggregate is too large.