Hi Denis.

>I pick two fields from a given table. After selecting those fields I chose another table. And then I click to pick a field. When I click to add that field to the ones that were already selected I get the error message.

Do you have the relation collection set up properly? I seem to recall that if the relations between the tables aren't defined properly, then the recursive routine in SFReports (actually, SFQuery) that determines how to join the tables in the report thrashes and creates too many variables.

Doug