_check_io_auth();
- $form->get_duedate(\%myconfig);
+ my $invdate = $form->{invdate} eq 'undefined' ? undef : $form->{invdate};
+ my $duedate = $form->get_duedate(\%myconfig, $invdate);
- print $form->ajax_response_header() . $form->{duedate};
+ print $form->ajax_response_header() . $duedate;
$lxdebug->leave_sub();
}