I had a look at this and a test post went okay, but then I have moderator rights so that is not a guarantee it will work for you. There didn't seem to be anything odd on the thread like it being locked so I don't know why this is happening. Perhaps the site Admin will know?
No Amount Of Evidence Will Ever Persuade An Idiot (probably not Mark Twain)
We use cookies to improve our website and your experience when using it. Cookies used for the essential operation of this site have already been set. By continuing to use this site you are agreeing to this. To find out more about the cookies we use and how to delete them, see our privacy policy.