I think I fixed the @benches error by replacing the modules folder under the cgi-bin with the ones in the release code for the latest UBB version. I remember having that error along with a couple others. I'm sure someone else can confirm or deny my fix soon enough.
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.