This is a known bug and fixed in 2.1.3.
http://tracker.firebirdsql.org/browse/CORE-2291

Gabor

flashjobs írta:

> I have such errors:
>
> internal gds software consistency check (cannot restore singleton select data (284), file: rse.cpp line: 3426)
>
> The installed package is FirebirdSS-2.1.2.18118-0.i686.rpm
>
> gfix does not find errors in the database.
>
> Doing backup/restore fixes this only for several days.
>
> Thanks
> Suraj