i have fixed it by removing the location since i don't need it and replaced it with Order Total,,
here is the code in case someone needs it.
<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
    Released under the terms of the GNU General Public License, GPL, 
    as published by the Free Software Foundation, either version 3 
    of the License, or (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
    See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
$page_security = 'SA_SALESBULKREP';
// ----------------------------------------------------------------
// $ Revision:    2.0 $
// Creator:    Joe Hunt
// date_:    2005-05-19
// Title:    Order Status List
// ----------------------------------------------------------------
$path_to_root="..";
include_once($path_to_root . "/includes/session.inc");
include_once($path_to_root . "/includes/date_functions.inc");
include_once($path_to_root . "/includes/data_checks.inc");
include_once($path_to_root . "/sales/includes/sales_db.inc");
include_once($path_to_root . "/inventory/includes/db/items_category_db.inc");
//----------------------------------------------------------------------------------------------------
print_order_status_list();
//----------------------------------------------------------------------------------------------------
function GetSalesOrders($from, $to, $category=0, $location=null, $backorder=0)
{
    $fromdate = date2sql($from);
    $todate = date2sql($to);
    $sql= "SELECT sorder.order_no,
                sorder.debtor_no,
                sorder.branch_code,
                sorder.customer_ref,
                sorder.ord_date,
                sorder.from_stk_loc,
                sorder.delivery_date,
                line.stk_code,
                item.description,
                item.units,
                sorder.total,
                line.quantity,
                line.qty_sent
            FROM ".TB_PREF."sales_orders sorder
                   INNER JOIN ".TB_PREF."sales_order_details line
                    ON sorder.order_no = line.order_no
                    AND sorder.trans_type = line.trans_type
                    AND sorder.trans_type = ".ST_SALESORDER."
                INNER JOIN ".TB_PREF."stock_master item
                    ON line.stk_code = item.stock_id
            WHERE sorder.ord_date >='$fromdate'
                AND sorder.ord_date <='$todate'";
    if ($category > 0)
        $sql .= " AND item.category_id=".db_escape($category);
    if ($location != null)
        $sql .= " AND sorder.from_stk_loc=".db_escape($location);
    if ($backorder)
        $sql .= " AND line.quantity - line.qty_sent > 0";
    $sql .= " ORDER BY sorder.order_no";
    return db_query($sql, "Error getting order details");
}
//----------------------------------------------------------------------------------------------------
function print_order_status_list()
{
    global $path_to_root;
    $from = $_POST['PARAM_0'];
    $to = $_POST['PARAM_1'];
    $category = $_POST['PARAM_2'];
    $location = $_POST['PARAM_3'];
    $backorder = $_POST['PARAM_4'];
    $comments = $_POST['PARAM_5'];
    $orientation = $_POST['PARAM_6'];
    $destination = $_POST['PARAM_7'];
    if ($destination)
        include_once($path_to_root . "/reporting/includes/excel_report.inc");
    else
        include_once($path_to_root . "/reporting/includes/pdf_report.inc");
    $orientation = ($orientation ? 'L' : 'P');
    if ($category == ALL_NUMERIC)
        $category = 0;
    if ($location == ALL_TEXT)
        $location = null;
    if ($category == 0)
        $cat = _('All');
    else
        $cat = get_category_name($category);
    if ($location == null)
        $loc = _('All');
    else
        $loc = get_location_name($location);
    if ($backorder == 0)
        $back = _('All Orders');
    else
        $back = _('Back Orders Only');
    $cols = array(0, 60, 150, 260, 325,    385, 450, 515);
    $headers2 = array(_('Order'), _('Customer'), _('Branch'), _('Customer Ref'),
        _('Ord Date'),    _('Del Date'),    _('Order Total'));
    $aligns = array('left',    'left',    'right', 'right', 'right', 'right',    'right');
    $headers = array(_('Code'),    _('Description'), _('Ordered'),    _('Delivered'),
        _('Outstanding'), '');
    $params =   array(     0 => $comments,
                        1 => array(  'text' => _('Period'), 'from' => $from, 'to' => $to),
                        2 => array(  'text' => _('Category'), 'from' => $cat,'to' => ''),
                        3 => array(  'text' => _('Location'), 'from' => $loc, 'to' => ''),
                        4 => array(  'text' => _('Selection'),'from' => $back,'to' => ''));
    $aligns2 = $aligns;
    $rep = new FrontReport(_('Order Status Listing'), "OrderStatusListing", user_pagesize(), 9, $orientation);
    if ($orientation == 'L')
        recalculate_cols($cols);
    $cols2 = $cols;
    $rep->Font();
    $rep->Info($params, $cols, $headers, $aligns, $cols2, $headers2, $aligns2);
    $rep->NewPage();
    $orderno = 0;
    $result = GetSalesOrders($from, $to, $category, $location, $backorder);
    while ($myrow=db_fetch($result))
    {
        $rep->NewLine(0, 2, false, $orderno);
        if ($orderno != $myrow['order_no'])
        {
            if ($orderno != 0)
            {
                $rep->Line($rep->row);
                $rep->NewLine();
            }
            $rep->TextCol(0, 1,    $myrow['order_no']);
            $rep->TextCol(1, 2,    get_customer_name($myrow['debtor_no']));
            $rep->TextCol(2, 3,    get_branch_name($myrow['branch_code']));
            $rep->TextCol(3, 4,    $myrow['customer_ref']);
            $rep->DateCol(4, 5,    $myrow['ord_date'], true);
            $rep->DateCol(5, 6,    $myrow['delivery_date'], true);
            $rep->TextCol(6, 7,    $myrow['total']);
            $rep->NewLine(2);
            $orderno = $myrow['order_no'];
        }
        $rep->TextCol(0, 1,    $myrow['stk_code']);
        $rep->TextCol(1, 2,    $myrow['description']);
        $dec = get_qty_dec($myrow['stk_code']);
        $rep->AmountCol(2, 3, $myrow['quantity'], $dec);
        $rep->AmountCol(3, 4, $myrow['qty_sent'], $dec);
        $rep->AmountCol(4, 5, $myrow['quantity'] - $myrow['qty_sent'], $dec);
        if ($myrow['quantity'] - $myrow['qty_sent'] > 0)
        {
            $rep->Font('italic');
            $rep->TextCol(5, 6,    _('Outstanding'));
            $rep->Font();
        }
        $rep->NewLine();
    }
    $rep->Line($rep->row);
    $rep->End();
}