Rename page

error:soft%2F%E3%83%88%E3%83%AC%E3%82%A4%E3%83%B3%E8%B6%A3%E5%91%B3 %EF%BC%AA%EF%BC%B2%E5%AD%A6%E7%A0%94%E9%83%BD%E5%B8%82%E7%B7%9A is not a valid pagename.