You can move this thread to meta section. Are you sure you put the right password? That's the right place to report your locked account. Here
https://bitcointalk.org/index.php?board=24.0. Staffs and moderator will be able to help you recover your locked or hacked account. Just provide something that proves your ownership like staked address. Just give them signed message that proves that you own that account.
Did you check your account? If there's something changed like email change? If your email was changed. Then your account must be hacked by someone.