Allowed reuse of supplier references from voided documents.

diff --git a/purchasing/supplier_invoice.php b/purchasing/supplier_invoice.php
index b2ea26a39e24aed0b343ac310fec8b14da19a30e..fa379e903e65365943143fde506e7c0b36c398c9 100644 (file)
--- a/purchasing/supplier_invoice.php
+++ b/purchasing/supplier_invoice.php
@@ -189,7 +189,11 @@ function check_data()
                return false;
        }
 
-       $sql = "SELECT Count(*) FROM ".TB_PREF."supp_trans WHERE supplier_id='" . $_SESSION['supp_trans']->supplier_id . "' AND supp_reference='" . $_POST['supp_reference'] . "'";
+       $sql = "SELECT Count(*) FROM ".TB_PREF."supp_trans WHERE supplier_id='" 
+               . $_SESSION['supp_trans']->supplier_id . "' AND supp_reference='" 
+               . $_POST['supp_reference'] 
+               . "' AND ov_amount!=0"; // ignore voided invoice references
+
        $result=db_query($sql,"The sql to check for the previous entry of the same invoice failed");
 
        $myrow = db_fetch_row($result);