Did you get your account registered and approved with Groupee (visit groupee.com for that). Afterwards, you register the groupee account with UBBCentral in order to link it to the threads board there.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.