Try to use your first Ingame Nickname as ID (why first ? because i dont know if you already nickchanged or not) and think about the Password you used.
By creating an steam WR acc you actualy create a PapayaPlay Acc which is hooked to Steam. Many Players (Including me) thought that you choose your Ingame Nick at registration, but its actualy your ID. And since you wanted to use that Nick as Ingame Nick its the same as your "wrongly named" Acc ID.
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Try to use your first Ingame Nickname as ID (why first ? because i dont know if you already nickchanged or not) and think about the Password you used.
By creating an steam WR acc you actualy create a PapayaPlay Acc which is hooked to Steam. Many Players (Including me) thought that you choose your Ingame Nick at registration, but its actualy your ID. And since you wanted to use that Nick as Ingame Nick its the same as your "wrongly named" Acc ID.