title: Could not load file or assembly 'System.Configuration.ConfigurationManager'
body: <p>Below code throw exception : </p>
  
  <blockquote>
    <p>Could not load file or assembly
    'System.Configuration.ConfigurationManager'</p>
  </blockquote>
  
  <pre><code>private static readonly log4net.ILog log = 
  log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/dWesr.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/dWesr.png" alt="enter image description here"></a></p>
  
  <p>and i tried to install package but it could not
  <a href="https://i.stack.imgur.com/pmNnV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pmNnV.png" alt="enter image description here"></a></p>