foo.rb

TypeError (no implicit conversion of nil into String):

app/models/feed.rb:14:in `update'
app/controllers/feeds_controller.rb:24:in `create
  
  def update
    #prase the url as an rss feed
    open(@url) do |rss|
      getFeed = RSS::Parser.parse(rss)
      #save the title of the feed
      @title = getFeed.channel.title
      
# It looks like something is wrong with @url... possibly a nil value?