title: Failed to load resource: 409 (Conflict)
body: <p>I have get an error on my website:
  <a href="http://anthologymdjs.com/" rel="nofollow noreferrer">http://anthologymdjs.com/</a>
  I have tried to deactivate all plugin except contact form 7, and activate 2019 theme, but this error is still existed.
  The error is :</p>
  
  <p>GET <a href="http://anthologymdjs.com/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=5.0.5" rel="nofollow noreferrer">http://anthologymdjs.com/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=5.0.5</a> net::ERR_ABORTED 409 (Conflict)</p>
  
  <p>GET <a href="http://anthologymdjs.com/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=5.0.5" rel="nofollow noreferrer">http://anthologymdjs.com/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=5.0.5</a> net::ERR_ABORTED 409 (Conflict)</p>
  
  <p>Has anyone received this type of error, and if so, can you tell me how you fixed it and what was the root cause? Any help is greatly appreciated.
  Thanks!!</p>