Hello, asko!
Your account has been frozen until further notice due to violation of Bitsport General Terms and Condition.
Taken from Bitsport General Terms and Condition
5.10. Only one account per IP/household/customer is allowed. If you attempt and/or successfully open more than one account, all of your accounts may be blocked, suspended or closed and any bitcoin, litecoin or other digital currency credited to your account frozen until further notice.
You have been abusing this and placing bets on several accounts and thereby deceiving Bitsport.
You will receive a full report by our investigation team.
Regards Bitsport