If you don't already know Cryptopia is run by one guy in his mothers basement.
So if you can't make any withdrawals for the next few months please be patient while his mother tries to work out how to switch his PC from redtube back to Cryptopia to fix the backlog of pending withdrawals.
This is now the 4th day they've held my coins captive. When I lodged a support ticket I received a generic response about deposits and the ticket was closed and marked as solved.