I'm following this example trying to get a tree to render:https://mdbootstrap.com/docs/standard/plugins/tree-view/

I downloaded the PRO 3.11.0 zip bundle

I extracted and added the following to my HTML page

<script type="text/javascript" src="http://localhost/cdn/mdb/js/mdb.min.js"></script>
<script type="text/javascript" src="http://localhost/cdn/mdb/js/modules/treeview.min.js"></script>

From my browser console I can see both scripts are found and loaded. Functions from mdb work correctly eg:

const ac = new mdb.Autocomplete(...

But when I try to add

const tree = new Treeview(treeDiv, clientData.tree);

I'm getting the error:

Uncaught ReferenceError: Treeview is not defined
    <anonymous> http://localhost:3001/:92

I checked the treeview.min.js.map file is in place and I can see the package from the console

Is this an MDB version issue?