Then it sounds like Ernesto is on the right track. Are you sure all
tables/fields are created using the same character set?

Set

At 12:44 20.06.2003 +0000, you wrote:

>Some news, the error is not in the sentence I said.
>I removed it and scrolled on the result set (in the
>IBExpert) and got the error on the next row fetched.