That means ur account is compromised . And "hacker" transferred ur balance to him via tip. Sadly its gone.
I suggest making new account and put strong password and 2fa if posible
Then how did my account get compromised ? i password protected my account ... so impossible for hacker to hack me ,it means that primedice was hacked by some guy ,it's just 0.04 btc ,but i will never play again there if i lose my money like that ...it means that their hole system is compromised if someone can hack in to your account without knowing your id or password ...doing a trace now to see were that btc went ...