My PMs are still not working. I receive them, but can't reply. Can anyone help?

In reply to Post #1
Are they full up?

In reply to Post #2
No. Deleted a few but still doesn't work. I get PMs but can't reply.

In reply to Post #3
Can you send them?

Oh..moved to a correct section..

I can tested and it's not an account specific problem.
I logged in on 1 of my computers as Karlos, and on another as PugCarp.
I was able to PM / reply / reply etc

If you get an error message when the reply fails, let me know what it says please

Thanks,
Karlos