Path '/category/' not found

exception 'Typecho_Router_Exception' with message 'Path '/category/' not found' in G:\PleskVhosts\lxdascc.net\httpdocs\var\Typecho\Router.php:155
Stack trace:
#0 G:\PleskVhosts\lxdascc.net\httpdocs\index.php(23): Typecho_Router::dispatch()
#1 {main}