Lavoaster/IP.Board-Steam-Authentication-Method — pull request #12 by TheAndroid1 (2014-01-20 16:06:12+00:00)
Title: Fix "Wrong username or password" issue

Some people(including myself) after linking Steam accounts with the forums and logging in to the forums/ACP using normal authentication will get a "Wrong username or password", which completely disallows them from accessing the ACP. This is a "quick fix" for the problem that I have tested.