Can’t access my Apple sub account and my request was denied.

I'm trying to get access to my sub account but I can't because of locked

It says "Account Locked"

"This account is locked and cannot be used"

how can I unlock my sub account?

I tried to unlock but you guys were denied my access request

[Account Information]

k**********@g****.com

[관리자에 의해 제목과 내용이 수정되었습니다.] 기존 제목: Can't access to my sub account. also got denied my request