Okay we put in 4.8.6 a checkgaurd to ensure users can login with
vb in this version to prevent the initial cookie mistakes admins make when installing things.
Basically if your using the
vb integration we use the
vb cookie settings. However when using the admin section this assumes you set the proper cookie settings to being with as we do not load the
vb cookie settings for admin area since
vb header does not load there.
You would need to edit your mysql settings table and check settings 171-173 to ensure they are the correct settings. Number one mistake is the cookie prefix is not set to bb