[Solved] Your Steam account has already been used for another forum account.

[Mustang]

Although he does have two accounts, he is not circumventing a ban and has only lost access, so let's not discuss this.

Back on topic;
As for the issue, you will need to have a staff member with access to edit profiles or access to the adminCP, so I recommend posting this in staff support to gain a quicker response from a person with such access!