title: The model item passed into the dictionary is of type .. but this dictionary requires a model item of type
body: <p><strong>This question and community wiki answer has been added to assist in closing out numerous unanswered questions as discussed in <a href="https://meta.stackoverflow.com/questions/337063/creating-a-dupe-target-to-manage-a-plethora-of-duplicate-questions">this meta post</a>.</strong></p>
  
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  <p>I have some code and when it executes, it throws an exception saying:</p>
  
  <blockquote>
    <p>The model item passed into the dictionary is of type Bar but this dictionary requires a model item of type Foo</p>
  </blockquote>
  
  <p>What does this mean, and how do I fix it?</p>