>This error is being generated
>
>SQL: GROUP BY clause is missing or invalid
>
>By this code
>
>Select Max(opseq) As opseq, wkctr, opstc From findMOInfoQuery2 Where opstc = '20' InTo Cursor findMOInfoQuery3
>
>Why would this happen?

Your query is invalid. You have to use aggregate functions for all fields in such query or remove fields that are not aggregate.