Runtime error

Error message : Page name too long: %C8%AF%BC%CD%C5%FB%BC%B0%B8%F7%B3%D8%C4%C9%C8%F8%BC%B0%CD%AD%C0%FE%CD%B6%C6%B3%C2%D0%C0%EF%BC%D6%A5%DF%A5%B5%A5%A4%A5%EB