We have the latest discourse installed. There is a specific post from 2008 (imported from vBulletin) we are unable to edit, even as admins.
We checked the post edit time but that did not make a difference. The post length is below our limits. Other posts from 2008 and before can be edited without issues.
The error being reported is 403 Forbidden. When checking the response in Firebug, we see this:
Is there anything we should look for?