506 Error Code Explained
Transparent content negotiation for the request, results in a circular reference.
Why it occurs
The 506 status code indicates that the server has an internal configuration error: the chosen variant resource is configured to engage in transparent content negotiation itself, and is therefore not a proper end point in the negotiation process.
Fixing 506 error code
This is a type of HTTP error. If you are registered with 100pulse, your site will be monitored and you will be intimated by an email or a short message service when 506 status code error occurs.