title: How to solve "The 'configuration' element is not declared" warning message in C#.net
body: <p>This warning generated from my <code>app.config</code> file is driving me crazy and I have been searching without getting any real answer as to why this is the case. Here is the code.</p>
  
  <p><img src="https://i.stack.imgur.com/wh7RS.png" alt="enter image description here"></p>
  
  <p>Any help would be greatly appreciated</p>