> We are using Postgres 7.2.1 and we have the same problem.
>
> We are upgrading to 7.3 but the error like not to be fixed.
>
> What can we do?
We have not yet upgraded to 7.3 due to other factors, but we must upgrade.
Do you mean that the error 'No one parent tuple was found' occurs in 7.3?
regards,
bhuvaneswaran