Warning: main(Calendar.class) [function.main]: failed to open stream: No such file or directory in /usr/local/apache2/vhosts/test/htdocs/Calendar/index.html on line 6

Fatal error: main() [function.require]: Failed opening required 'Calendar.class' (include_path='.:/usr/local/apache2/vhosts/test/classes::/usr/local/apache2/vhosts/test/404') in /usr/local/apache2/vhosts/test/htdocs/Calendar/index.html on line 6