bug report client. i was making af seckund ac%%%% and all was fine and i logged but i cant say yes

i was making af seckund ac%%%% and all was fine and i logged but i cant say yes it relly anoying cause i relly wanna play its rigth at the start when u have to chose youre summoner name i chose it and pressed enter then it said are you sure this is what you want to display in game name i pressed yes but i didnt Work im stock here now.

pls help from a big fan