>What can cause this error, when I don't have any blobs in my database.
>This error appears in my customers 1 computer, another computer accesses
>database OK.
>There was IB 5 installed before, maybe that causes it?

I don't know this error, Riho-Rene, but I think I would have tried
uninstalling the FB/IB client, find and delete any files named gds32.dll
and then reinstall. A wrong version of gds32.dll is the source of far too
many problems discussed on this list.

Set