[fanzy]

It was in the Step 2 while I’m installing bbpress

Fatal error: Class ‘WP_Auth’ not found in /home/’my-path’/bb-settings.php on line 970

FYI. it’s in a sub directory of wordpress2.8.4

How could it happened?

[chrishajer]

It’s hard to tell with your path removed there, but assuming bbPress was installed properly (it’s not a plugin for WordPress) it seems to me that something was not uploaded completely. This is the first time I’ve heard about this problem.