Yes, p-view = parameterized view
>By p-view you mean parameterized view?

Yes, when I am adding a new batch.
No, the view IS buffered (table, optimistic)
>Assuming this is the case, you are using (I assume) a parameter that returns zero-to-many records. Then you are adding records and trying to save. The view is not buffered.

lvw_wlevel's key field is "ID"
The parameter is on the foreign key in the source table, however. (Wlevel.batchid = ?BATCHES.id)
>Questions: what is the key field for the update? Is it the field which is the
parameter?

Local
>Is this a local or remote view?

Thanks!