Now it works !

my mistake was in the declaration !.

Many thanks to all members who answered so fast

Gerhard

--- In firebird-support@yahoogroups.com, "gbehnke2000" <Behnke@h...>
wrote:

> Hi Alexander,
>
> no i declared the udf .
>
> Many thanks for your fast response and regards
> Gerhard
>
> --- In firebird-support@yahoogroups.com, "Alexander V.Nevsky"
> <ded@h...> wrote:
> > --- In firebird-support@yahoogroups.com, "gbehnke2000"

<Behnke@h...>

> > wrote:
> > > i get the error
> > > An error was found in the application program input parameters
> for
> > > the SQL statement.
> > > Dynamic SQL Error.
> > > SQL error code = -804.
> > > Function unknown.
> > > FN_COMPRESS_BLOB.
> > > Can anywhere help me ?
> >
> > Gerhard, seems you forgot to declare this UDF in the database.
> >
> > Best regards,
> > Alexander.