> No, that has been my first idea too. Even when I create a new

delphi-project,

> with a Connection and a query with a wrong SQL-statement, no errormessage
> appears, when I try to open the query. Could it be, that there is a

problem

> with IB-Constants.pas ?

I have no idea, this sounds very strange to me.

have you tried tracing in the code to see what is going on.

Have you hooked into the application's OnHandleException event?

Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com