> the code that was working in 1.5.0 beta3 breaks in 1.5.0 release
> version with the text:
> "SQL error code = -504, Cursor Unknown".
>
> However in driver 1.5.1 the text changed to
> "SQL error code = -504, Cursor".
>
> Insignificant maybe, but it's different.

Error messages were changed between releases. It seems that there is a bug
in GDSException, because the message template is now "Cursor {0} {1}", and
two params are not filled.

Roman