undefined method `auto_html_for'

[jbehrens94]

NoMethodError in TasksController#index
undefined method `auto_html_for' for #Class:0x007fb97c378a60

auto_html_for :content do
html_escape
image
youtube(:width => "100%", :height => 250, :autoplay => false)
link :target => "_blank", :rel => "nofollow"
simple_format
end

[jbehrens94]

Issue solved by restarting rails server, my apologies for this issue, can be closed.