This project is not completely dead. I've just started work on localisation.
If you're getting a "Deprecated" error message, follow the instructions here
URGENT Security Patch for ≤ v2.2.6
A security hole has been discovered, follow the instructions and download the patch at the topic page.
Did the patch break your search page? Search Patch
UPB Team Member
If you're seeing the message
Open install.php and includes/upb.initialise.php in a text editor and find the line
$errorHandler = &new errorhandler();
replace that with
$errorHandler = new errorhandler();