World of Tanks Blitz

So yesterday, I was playing World of Tanks Blitz with ease. Today in the morning, I open the application and I am logged out of my account. I say, "Well let me just log into my game center account." Wrong. It gives me error code 111 every time I click the game center icon repeatedly. Please help someone. I don't want to lose my progress a second time. The first time I had 3 tier X tanks and this second time I just got first tier X tank. Please help :(