xbox修改代号出错

我只需要修改经典玩家代号（15个字符）而不是选择的玩家代号（12 个字符），但是似乎不改12字符的代号就没法改15字符的代号。想了解是否有选项单独修改15个字符的那个玩家代号。

Onyx gave you the best explanation. If this persists, ask for help with Microsoft support, to make sure you haven't been hacked

Hello, can you describe more precisely your problem, I do not know how to read your language, I use an internet translator and I can not copy the text of an image. With more descriptions, we may be able to help you.

It is always be fault when I try to change my Xbox ID

Sorry to hear it. Please double check your account at
https://account.microsoft.com. Make sure your account and billing info are correct and up to date and that there are no amounts owing on the account