c# – 相对URI,错误浏览SVC服务不支持此操作

This operation is not supported for a relative URI.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: This operation is not supported for a relative URI.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidOperationException: This operation is not supported for a relative URI.]
   System.Uri.get_Scheme() +8045854
   System.ServiceModel.HostingManager.FilterBaseAddressList(Uri[] baseAddresses,Uri[] prefixFilters) +142
   System.ServiceModel.HostingManager.CreateService(String normalizedVirtualPath) +598
   System.ServiceModel.HostingManager.ActivateService(String normalizedVirtualPath) +50
   System.ServiceModel.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath) +1172

[ServiceActivationException: The service '/Templates/eDemokrati/Services/eDemokratiService.svc' cannot be activated due to an exception during compilation.  The exception message is: This operation is not supported for a relative URI..]
   System.Runtime.AsyncResult.End(IAsyncResult result) +900192
   System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) +192830
   System.Web.AsyncEventExecutionStep.OnAsyncEventCompletion(IAsyncResult ar) +107


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

链接到该服务：Link

该站点的一些web.config：

<system.serviceModel>
  <serviceHostingEnvironment>
        <baseAddressPrefixFilters>
            <add prefix="http://www.roros.kommune.no/"/>
            <add prefix="www.roros.kommune.no/"/>
            <add prefix="item"/>
            <add prefix="http://www.roros.kommune.no/templates/eDemokrati/Services/"/>
            <add prefix="www.roros.kommune.no/templates/eDemokrati/Services/"/>

        </baseAddressPrefixFilters>
    </serviceHostingEnvironment>

由此引起的错误是什么以及如何解决？