I've got a problem with a client site written in Drupal.

The menus are standard Drupal primary menus, presented using Superfish. When the client adds or edits nodes, the menu order changes randomly. It's only a minute or two to get them back in order, but the client is none too happy at having to do that.

Anyone come across anything like this before? There's nothing in the watchdog table for a clue...

Thanks in advance.

Pete.