Your account is blocked for privacy reasons. (BLZ51942003)
Reason: This message will be displayed when you log into the game and enter the correct data. This message may appear only because your game account is blocked for logging in by IP address.
Solution: To unblock the login by IP address, go to your personal account page to the tab - Security and remove the blocking. Login to the game blocked by IP address, you need to set only if you have a static, permanent IP address, not a dynamic, not permanent. You can find out which IP address you have from your Internet provider.