I am trying to get data from .JSON file and filter it in realtime. But I am getting Warnings as

DataTables warning: table id=example - Cannot reinitialise DataTable. For more information about this error, please see http://datatables.net/tn/3

As per instructions in above link I added retrieve: true, and paging: false, But still warnings are shown. I am new for jscript and jquery so can you please help me to resolve this warning

main.js file

$(document).ready(function () {
    var table = $('#example').DataTable({
        retrieve: true,
        
        paging: false,

        ajax: {
            url: './test.json',
            dataSrc: '',
        },
        
        columns: [
            { data: 'Host' },
            { data: 'Category' },
            { data: 'Type' },
            { data: 'SSH' },
            { data: 'Status' },
            { data: 'Notes' },
        ],
        
        mark: true,
        
        dom: 'Bfrtip',
        lengthMenu: [
            [10, 25, 50, 100, -1],
            ['10 rows', '25 rows', '50 rows', '100 rows', 'Show All']
        ],
        
        buttons: [
            'pageLength',
            {
                extend: 'copyHtml5',
                exportOptions: {
                    columns: ':visible'
                }
            },
            {
                extend: 'excelHtml5',
                exportOptions: {
                    columns: ':visible'
                }
            },
            {
                extend: 'csvHtml5',
                exportOptions: {
                    columns: ':visible'
                }
            },
            {
                extend: 'print',
                exportOptions: {
                    columns: ':visible'
                }
            },
            {
                extend: 'pdfHtml5',
                download: 'open',
                exportOptions: {
                    columns: ':visible'
                }
            },
            'colvis'
        ],
        
        columDefs: [{
            targets: -1,
            visible: false
        }],

    });

    $('#example tfoot th').each(function () {
        var title = $('#example tfoot th').eq($(this).index()).text();
        $(this).html('<input type="text" placeholder="Search ' + title + '" />');
    });

    table.columns().eq(0).each(function (colIdx) {
        $('input', table.column(colIdx).footer()).on('keyup change', function () {
            table
                .column(colIdx)
                .search(this.value)
                .draw();
        });
    });
});