I have a table (below) which loads with column 6 being sorted.

After a user changes a value in the column and the page reloads, the table is sorted on column 0 and clicking column 6 to sort does nothing. I'm at a loss as to where the error is occurring. TIA.

From the debugger

index

Data source: DOM
Processing mode: Client-side
Draws: 1
Columns: 10
Rows - total: 1407
Rows - after search: 1407
Display start: 0
Display length: 25

My DT code is below.

    $('table.tasks-index').dataTable({
       "processing": true,
       "responsive": true,
       "lengthChange": true,
       "paging": true,
       "order": [6,'desc'],
       "sDom": 'Plfrtip',
       "pageLength": 25,
       "lengthMenu": [ [25, 50, 75, -1], [25, 50, 75, "All"] ],
       "initComplete":function () {
           $('div.dataTables_filter label input').focus();
        },
       "columnDefs": [
           {
               "type": "num",
               "targets": 6
           }
       ],
       "searchPanes": {
           cascadePanes: true,
           columns: [1,3,5],
           orderable: false,
           dtOpts:{
               dom:"tp",
               searching: false,
               }
       },
       "stateSave": true,
       "stateDuration": -1
    }),