Path '/about/' not found

Typecho_Router_Exception: Path '/about/' not found in /home/vol7_1/byethost4.com/b4_24647709/taskerm.com/htdocs/var/Typecho/Router.php:156 Stack trace: #0 /home/vol7_1/byethost4.com/b4_24647709/taskerm.com/htdocs/index.php(26): Typecho_Router::dispatch() #1 {main}