Re: Seemingly Irresolvable Problem
Can you access the database directly with a tool like phpMyAdmin or something in your control panel?
I imagine there is a way to add a value to bb-config.php to override the setting in the database right now, but I have no idea what that does to your integration, so I won’t post that thought here. If you have phpMyAdmin, you can look at the tables and see what value you set for your wp_user table prefix.
Seems like you should not be able to enter an invalid value for your wp_user table value if it causes problems later.