This morning I was filled with joy as the little box came up telling me that I had a new message. 8 messages, 1 is new. So I click into my inbox... and see only my old messages. I count. There are seven. I search for the name of the sender provided by my emailed forward (which doesn't display the PM, incidentally) and no results turn up.
So I PM'ed the sender, and I'm sure that that will be resolved... but now I can't delete the message, hah. Not only that, every time I log into a session, I get the notification box again. It's pretty annoying.