I guess this one but it is unclear to me too.

As per BPIP there is no activity happening lately on his account, I am guessing you've got a temporary ban but looking as well on the modlog section there are no messages deleted coming from his account maybe it isn't existing anymore out there because he is active 5 days ago as per BPIP. To the OP have you joined an altcoin forum giveaway just recently, I have a hunch that is the reason.