wrong number of arguments (0 for 1) (ArgumentError)

/home/sites/www.kankanbou.com/web/afuro/tb.rb:22:in `initialize'
/home/sites/www.kankanbou.com/web/afuro/tb.rb:22:in `new'
/home/sites/www.kankanbou.com/web/afuro/tb.rb:22