When i update column i get blank alert, but i didn't used alert. How to resolve this issue.

Mankeshwar

When i update column i get blank alert, but i didn't used alert. How to resolve this issue.Below i attached code.

$(document).ready(function() {
$('#inventory').dataTable({
'bProcessing': true, 'bServerSide': true, 'sAjaxSource': 'ajax_inventory.php?action=getInventory',
}).makeEditable({ sUpdateURL: 'ajax_inventory.php?action=updateQty',
'aoColumns': [
null,
{
tooltip: 'Qty',
onblur: 'submit',
fnOnCellUpdated: function(sStatus, sValue, settings){

         }
      }
    ]

});
});