Please members i need a help very urgently

[s1884131]

please, i have this problem whenever a guest user try to register my site after "logging in it says that "You do not have a valid password configured for your account. Please reset your password via the reset password link." please I need a help for that thank you...

[In Omnibus]

This is not a default vBulletin 4 behavior. You have a modification or add on causing this issue. Try disabling plugins and see if the issue resolves itself.