I can´t connect my xibo player

Can you help me, I can´t connect my xibo player

They show me the next message:

El cliente encontró el tipo de contenido de respuesta ‘text/html’, pero se esperaba ‘text/xml’.
Error de la solicitud con el mensaje de error:

This site requires Javascript to work, please enable Javascript in your browser or use a browser with Javascript support

Could you please make sure that CMS address and CMS key are correct?

I think all is ok. the key is ok and the host


This is all message about can´t connect with my cms:

Ans this in my web server

Please can you take a look here for the solution: Registering display gives: ***document.cookie="referrer="