Have you been using the online template editor (under Admin)? There's currently a bug with that adding extra space and causing errors.
Try starting with a clean template.... use a regular text editor to do changes and leave that spell check button out. I think the online editor has munged it up.
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.