- sub { my $cust_main = shift->cust_main;
- $cust_main->get('last'). ', '. $cust_main->first;
+ sub { my $cust_bill = shift;
+ my $cust_main = $cust_bill->cust_main;
+ $cust_main
+ ? $cust_main->get('last'). ', '. $cust_main->first
+ : "WARNING: can't find cust_main.custnum ".
+ $cust_bill->custnum. ' (cust_bill.invnum '.
+ $cust_bill->invnum. ')';