I am getting an error message on this code and nothing appears on my web page except . What's wrong?

tamago

/* Formatting function for row details - modify as you need */
function format ( d ) {
// d is the original data object for the row
return '

'+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ '

Courriel:	'+d.courriel+'
Bureau:	'+d.bureau+'
TelephoneCRM:	And any further details here (images etc)...

';
}

$(document).ready(function() {
var table = $('#example').DataTable( {
"ajax": "ajax/data/objects.txt",
"columns": [
{
"class": 'details-control',
"orderable": false,
"data": null,
"defaultContent": ''
},
{ "data": "name" },
{ "data": "position" },
{ "data": "status" },
{ "data": "affiliation" }
],
"order": [[1, 'asc']]
} );

// Add event listener for opening and closing details
$('#example tbody').on('click', 'td.details-control', function () {
    var tr = $(this).closest('tr');
    var row = table.row( tr );

    if ( row.child.isShown() ) {
        // This row is already open - close it
        row.child.hide();
        tr.removeClass('shown');
    }
    else {
        // Open this row
        row.child( format(row.data()) ).show();
        tr.addClass('shown');
    }
} );

} );