[johnhiler]

It sounds like an issue with the search.php file in your template. You may be using a template from 0.9 that isn’t compatible with bbPress version 1.0 (or vice versa).

Try either deleting it, or replacing it with the standard template from Kakumei:

http://svn.automattic.com/bbpress/trunk/bb-templates/kakumei/search.php