Dynamic Sql Statement Error

Hai ,
I am using webmethods 6.1 and I am having the same issue.Any cluses as to what settings i have to make…
This is the error i am getting
(07009/0) [Microsoft][SQLServer 2000 Driver for JDBC]Invalid parameter binding(s)."[Microsoft][SQLServer 2000 Driver for JDBC]Invalid parameter binding(s).

how is your dynamic sql configured?