+$error = $self->send_message_receipt(
+ 'cust_main' => $cust_main,
+ 'cust_bill' => $opt->{cust_bill},
+ 'cust_pkg' => $opt->{cust_pkg},
+ 'invoicing_list' => \@invoicing_list,
+ 'msgnum' => $conf->config('payment_receipt_msgnum', $cust_main->agentnum)
+ );