change

public/assets/js/admin/manage_customer/main.js

@@ -15,7 +15,7 @@ $('#zero-config').DataTable({
     "pageLength": 10,
     "ordering": true, // Enable global ordering
     "columnDefs": [
-        { "orderable": false, "targets": [0, 1, 2] } // Disable ordering for the first column (checkboxes) and the eighth column
+        // { "orderable": false, "targets": [0, 1, 2] } // Disable ordering for the first column (checkboxes) and the eighth column
     ]
 });