Accout banned for no reason

Good night, my sister was playing a tournament, and her internet started to very lag, after that she was disconnected from the tournament and her account was closed for no reason, please check it, this account is really important to her, and she was very sad by this situation

Accout link: @AnaSelena

The account was closed by the owner. I checked the account, and it seems obvious why. It's not my place to disclose the reason if they choose to hide it.