MyBB Community Forums

Hello, updated from 1.6.10 > 1.8.1. The update went fine, took my time to read the instructions, etc. Forum is http://forums.subglobal.net 
Now when I try to log into my ACP, it asks for my ID,PW,PIN#
I clearly enter my ID, PW, and PIN#

Each time, entering the correct information, it said that the info is wrond (even though I can log into the forum without any issues).

Now that I've failed 5 times, I get this message: Your account is currently locked out after failing to login 5 times. You have been sent an email with instructions on how to unlock your account.

Check PIN in config.php

If you can login in forum, then they are ok, so PIN is wrong

http://community.mybb.com/thread-126359.html

Have you read this thread?

Check your /inc/config.php file and see what it says for $config['secret_pin']. Whatever value that is is what you need to use.

Thank you @dragonexpert. I have solved the login issue.