submenu_option(_("Enter a New Sales Invoice"), "/sales/sales_order_entry.php?NewInvoice=1");
} elseif ($_SESSION['Items']->trans_type == ST_SALESQUOTE)
{
- delete_sales_order(key($_SESSION['Items']->trans_no), $_SESSION['Items']->trans_type);
+ if ($_SESSION['Items']->trans_no != 0)
+ delete_sales_order(key($_SESSION['Items']->trans_no), $_SESSION['Items']->trans_type);
display_notification(_("This sales quotation has been cancelled as requested."), 1);
submenu_option(_("Enter a New Sales Quotation"), "/sales/sales_order_entry.php?NewQuotation=Yes");
} else { // sales order