Steps how to reproduce:
1. Login (Reviewer account - I do not know whether that is necessary)
2. click one of the links like
Dec 26, 2012 - LibO 4.0 Compatibility (see end of report )
Bug: Error Message 
 Related error:
"<zope.traversing.namespace.view object at 0x7fa504c06090>"
Can you please check?
Confirming that this also happens for me
I don't get where you are clicking. The talkback (discussion) should not be visible at the moment. Could you please explain me a bit more in detail the steps to reproduce the error.
Just click on when logged in: http://extensions.libreoffice.org/extension-center/alternative-dialog-find-replace-for-writer/talkback/1356535680
The link is not visible anymore yet. Thus the traceback should not be reachable from an average user.