In the Bizobj API docs I find:
lookupPKWithAdd(self, field, val)
Runs a lookup in the specified field for the desired value. If
found, returns the PK for that record. If not found, a new record is
created with the 'field' column populated with 'val', and the new
record's PK is returned. None of
lookupPKWithAdd adds a record to the Bizobj, but in this case it raises
IvaFc.FacturaId may not be NULL.
As you can see below this Bizobj is a child Bizobj with
FillLinkFromParent set to True, so FacturaId should have been
automatically added (as it effectively is when new() is issued).
For
