Rails 4 : Routes match, id not found -

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I am currently writing my first app with Rail 4, after the tutorial. After finishing almost the user part (controller, scene and model), I wanted to match the profile / profile like "user # show" with one path, I did this: 

  Ressources: user 'profile' = & gt; The problem is in my controller:  
  def show = user = user.fund (params [: id]) and << / P>       
 I have read the guide and I thought that Paramams were passed but it does not seem like this. It would be a stupid mistake, but I do not know.  
 Thank you!   
 
 
 You must specify the ID placeholder in the URL like this:  
 
 'Profile /: id' = & gt; You can now call URL such as  
 
 "profile / 12"   
. And  
 
 parameter [: id]   
 Check the docs on routing here

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