title: XML Parsing Error: no root element found Location in Console FF
body: <p>I'm use ASP.NET MVC end I take this error only in FF. Why I take this error message?  What is the cause of this?
  I don't understand where the source of this error. Anyone have any thoughts?</p>
  <p><a href="https://i.stack.imgur.com/mju1l.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mju1l.png" alt="enter image description here" /></a></p>
  <p>Next Error:
  <a href="https://i.stack.imgur.com/qwhdl.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qwhdl.png" alt="enter image description here" /></a></p>