When im trying to change the name like Bossnia card into TCG or Removing 1letter from Bossnia into like this bossni i will encounter the error when launching the client.exe file . i dunno why but this is my first time encounter it even i already do this with in 100x . my idea about this problem is there is a security that if i modified even single letter it will cost of error . Any one know it can u guide me ? how to remove or how to avoid the error .  My client.exe Version is 2015-11-04aRage