invalid byte sequence in UTF-8 (ArgumentError) /var/www/htdocs/rubygadgets/hiki/hiki/command.rb:65:in `initialize' /var/www/htdocs/rubygadgets/ja/hiki.cgi:35:in `new' /var/www/htdocs/rubygadgets/ja/hiki.cgi:35:in `block in <main>' /var/www/htdocs/rubygadgets/hiki/hiki/storage.rb:13:in `open_db' /var/www/htdocs/rubygadgets/ja/hiki.cgi:34:in `<main>'