my $error =
$self->ut_numbern('availnum')
- || $self->ut_foreign_key('itemnum', 'sched_avail', 'itemnum')
+ || $self->ut_foreign_key('itemnum', 'sched_item', 'itemnum')
|| $self->ut_number('wday')
|| $self->ut_number('stime')
|| $self->ut_number('etime')