Error including required files: Numeric variables with more than one digit may not start with '0' at /home/rilke-de/htdocs/cgi-bin/ubb_library2.pl line 260.
Compilation failed in require at /home/rilke-de/htdocs/cgi-bin/ubbmisc.cgi line 47.

Make sure these files exist, permissions are set properly, and paths are set correctly.