An error occurred while trying to make a request to URI:

> 
> 'http://localhost:8732/Design\_Time\_Addresses/WCF/Service1/'. This
>  could be due to attempting to 
> 
> 
> access a service in a cross-domain way without a proper cross-domain
>  policy in place, or a 
> 
> 
> policy that is unsuitable for SOAP services. You may need to contact
>  the owner of the service 
> 
> 
> to publish a cross-domain policy file and to ensure it allows
>  SOAP-related HTTP headers to be 
> 
> 
> sent. This error may also be caused by using internal types in the web
>  service proxy without 
> 
> 
> using the InternalsVisibleToAttribute attribute. Please see the inner
>  exception for more 
> 
> 
> details.
> 
> 
> 

the error appears when result returned from the wcf 

I consumed this wcf via console, website, win forms and it works properly

I use 2 xml files in the WCF library :

1. clientaccesspolicy.xml
2. crossdomain.xml