page($_SESSION['page_title'], false, false, "", $js);
+if (isset($_GET['ModifyOrderNumber']) && is_prepaid_order_open($_GET['ModifyOrderNumber']))
+{
+ display_error(_("This order cannot be edited because there are invoices or payments related to it, and prepayment terms were used."));
+ end_page(); exit;
+}
if (isset($_GET['ModifyOrderNumber']))
check_is_editable(ST_SALESORDER, $_GET['ModifyOrderNumber']);
elseif (isset($_GET['ModifyQuotationNumber']))
return false;
}
if ($_SESSION['Items']->payment_terms['cash_sale'] == 0) {
- if (!$_SESSION['Items']->is_started() && ($_SESSION['Items']->payment_terms['days_before_due'] < 0) && ((input_num('prep_amount')<=0) ||
+ if (!$_SESSION['Items']->is_started() && ($_SESSION['Items']->payment_terms['days_before_due'] == -1) && ((input_num('prep_amount')<=0) ||
input_num('prep_amount')>$_SESSION['Items']->get_trans_total())) {
display_error(_("Pre-payment required have to be positive and less than total amount."));
set_focus('prep_amount');