well... to tell the truth...i did click the disabled this account.

that was no intent,
i was try to fix this problem before
"This function requires secondary authentication to be cleared."

but i don't know how to authentication. so i just click the anything...
then just showing like "your account disabled, so try send problem admin if you want re-enable this account."

that was my mistake

so, if you can help me, please send to me how to fix authentication and re-enable this account.

Thanks.

Everything has been reset.