Callista....have you tried pm'ing them again? I had something similar happen to me a while back. Only, it was a staff member. I actually posted a question in here about it, because I thought it odd that a staff member had blocked me. Once I knew I wasn't actually blocked, I tried again, and it went through. Veks looked into it, as I recall, but I don't remember if he worked out what the gliche was.
Anyway...try pm'ing again, and see what happens.