} elseif (isset($_GET['ModifyInvoice']) && $_GET['ModifyInvoice'] > 0) {
+ check_is_closed(ST_SALESINVOICE, $_GET['ModifyInvoice']);
+
if ( get_sales_parent_numbers(ST_SALESINVOICE, $_GET['ModifyInvoice']) == 0) { // 1.xx compatibility hack
echo"<center><br><b>" . _("There are no delivery notes for this invoice.<br>
Most likely this invoice was created in Front Accounting version prior to 2.0
}
if (!is_date_in_fiscalyear($_POST['InvoiceDate'])) {
- display_error(_("The entered invoice date is not in fiscal year."));
+ display_error(_("The entered date is out of fiscal year or is closed for further data entry."));
set_focus('InvoiceDate');
return false;
}