@scorpss
If there is no chat settings in your vbb ACP, you may fail to integrate the chat to your vbb.
Or you may install a wrong vbb chat module version.
Please follow the following pages:
For vbb3.x: http://www.123flashchat.com/vbb3_install_mod
For vbb 4: http://www.123flashchat.com/vbb4_install_mod
If you haven?t done yet, please send to support@123flashchat.com, our support will help you soon.