doquesnet

Recently I was constructing Drupal 6 web-site using Hierarchical Select and Ubercart.

New vocabulary with some terms was added for product node type. Hierarchical select was configured to render it.

Then go try creating new product at node/add/product page. Select some term from vocabulary. Works fine in Firefox but JavaScript alert is shown in IE6/7:

Received an invalid response from the server.

Let's discuss what's the problem is.