title: Excel VBA Auto Filter Error
body: <p>I've written code to compare the data included in 2 huge Excel files and while running the comparison code I encounter a "Run time error '91' - Object Variable or With block variable not set". Anyone know what my error is? Please see picture of code below:</p>
  
  <p>Run Time Error 91:</p>
  
  <p><a href="https://i.stack.imgur.com/X3sh2.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/X3sh2.jpg" alt="enter image description here"></a></p>