InvalidOperationException: Client found response content type of '', but expected 'text/xml'. The request failed with an empty response - wcf

Question

i just created one web application that deal with WCF Service. Now in linqpad5 i just load all methods from this class. and just write to just test output received from this service or not.
here is my pc's screenshot:
but at time of executing small program i just got this error like :
InvalidOperationException: Client found response content type of '', but expected 'text/xml'.
The request failed with an empty response.
for more information i just include hosted wcf service config :
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appSettings>
<add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
</appSettings>
<system.web>
<compilation debug="true" defaultLanguage="c#" targetFramework="4.5.2" />
<httpRuntime targetFramework="4.5.2" requestValidationMode="2.0" />
<pages validateRequest="false" />
</system.web>
<system.serviceModel>
<bindings>
<basicHttpBinding>
<binding name="LargeWeb" maxBufferPoolSize="2147483647" maxBufferSize="2147483647" maxReceivedMessageSize="2147483647">
<readerQuotas maxDepth="32" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" />
</binding>
</basicHttpBinding>
</bindings>
<services>
<service name="RestServiceImplClient">
<endpoint address="" binding="basicHttpBinding" bindingConfiguration="LargeWeb" contract="IRestServiceImpl" />
</service>
</services>
<behaviors>
<endpointBehaviors>
<behavior name="WebHttp">
<webHttp />
</behavior>
</endpointBehaviors>
<serviceBehaviors>
<behavior name="">
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="true" />
</behavior>
</serviceBehaviors>
</behaviors>
<protocolMapping>
<add binding="basicHttpsBinding" scheme="http" />
</protocolMapping>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true" />
<!--
To browse web app root directory during debugging, set the value below to true.
Set to false before deployment to avoid disclosing web app folder information.
-->
<directoryBrowse enabled="true" />
<staticContent>
<mimeMap fileExtension=".svc" mimeType="application/octet-stream" />
</staticContent>
</system.webServer>
</configuration>
what going wrong here... please help me out of this guys...
update
this service working with iis browsing :