extension mml3.js not working

[SinghSatyam]

An ActionView::MissingTemplate occurred in mathjax_rails#giveOutStaticFile:

Missing template mathjax/rails/mathjax_rails/giveOutStaticFile with {:locale=>[:en], :formats=>[:js, :html], :handlers=>[:erb, :builder, :raw, :ruby, :jbuilder, :coffee]}.