Webthink

Seems it may be a firePHP problem. Here is a forum firePHP discussion not sure if it ever resulted in an tracked-issue or fix. http://firephp.842658.n2.nabble.com/Redirects-and-Messages-tp4597176.html

Another update :) I created a ticket http://code.google.com/p/firephp/issues/detail?id=146 to track the issue. If/when it gets fixed it'll obviously result in you needing to replace your vendor code with the new...