You should backup your DB on 2.1.2 server using the gbak 1.5.5. After that
you should restore your backup file into 1.5.5 server using its own gbak.

[]
Andrei

2009/7/15 dinamicron <dinamicron@...>

> I have updated my DB from 1.5.5 to 2.1.2 and it works fine, but suddenly I
> found problem when updating blob fields .The problem is Error "Invalid Blob
> Id" and happend when i tried to update blobs using stored procedure. So I
> have to downgrade DB to 1.5.5 , where no problem accurs with blob fields.
> Is there any possibility to do this without transfering all the data in new
> structure v 1.5.5, but only downgrading the old one.
>
> I have tested 2.1.3 the error remains.
>
> Regards
> Dimitar Nikiforov
>
>

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