YES, I have been having the same problem the last few hours. I opened up a case with Auctiva but it usually takes about 3 days to get a response. I guess I will have to use turbo lister until its fixed.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .