> I am getting the error cannot update erased record occasionly when
> running this query on firebird 1.5 with the 1.0.0 JDBC driver:
>
> "delete from vorder where vosession=? or
> ((vodatetime+1)<current_timestamp)"
>
> The table vorder has a few thousand recodrs in it at any one time.
>
> Does anybody know what this error means?

Nope... Try asking in Firebird-Support, most of engine developers are there,
and this looks like a pure Firebird issue...

Roman