johan, thanks for responding. After moving the db to the linux server,
the message after the same operation changed. Guess what...
"
IBE: The insert failed because a column definition includes
validation constraints.
validation error for column NSUC, value "*** null ***".
"
The problem seems to be the same you are telling.
But i must tell that some tables with those new fields ,have
no records at all.

Best regards.
Pablo Sánchez
pablos EN adinet.com.uy


--- In ib-support@yahoogroups.com, "Johan Leroy" <johan.leroy@p...>
wrote:

> I also had this problem ones, after searching why i couldn't restore

my db I

> looked in the original database and there the problem was.
> When you add a field to a table thas is a not null field,but you

don't set a

> value for every record in the table then you get these error.
>
> I don't now if there are any other possibilitys but I hoop it helps.
>
> regards
>
> johan