Warning: require_once(class.database.php): Failed to open stream: No such file or directory in /home/httpd/vhosts/lr-laperla.ch/nebenjob.lr-laperla.ch/index.php on line 2

Fatal error: Uncaught Error: Failed opening required 'class.database.php' (include_path='.:/usr/share/pear:/usr/share/php') in /home/httpd/vhosts/lr-laperla.ch/nebenjob.lr-laperla.ch/index.php:2
Stack trace:
#0 {main}
  thrown in /home/httpd/vhosts/lr-laperla.ch/nebenjob.lr-laperla.ch/index.php on line 2