I can´t connect my xibo player

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

They show me the next message:

Status
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:

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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

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

Ans this in my web server
http://www.seavertv.podserver.info/xibo/index.php?p=admin&

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

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