cannot access wcf service hosted in iis

Hello Guys,

I want to deploy my wcf service in iis and actually i'm getting this error :

ERREUR HTTP 500.19 - INTERNAL SERVER ERROR

You cannot access the page you requested because the related configuration data for the page is not valid.

this is my web.config

xml version="1.0" encoding="utf-8"?>
<configuration>
<connectionStrings>
<add name="MyDbConn" connectionString="Data Source= BTI-LAPTOP\SQLEXPRESS2014; Integrated Security=true;Initial Catalog= icemwebappDB; uid=YourUserName; Password=yourpassword; " providerName="System.Data.SqlClient" />
connectionStrings>
<appSettings>
<add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
appSettings>
<system.web>
<compilation debug="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5"/>
system.web>
<system.serviceModel>
<services>
<service behaviorConfiguration="CodeDefautServiceBehavior" name="icemRESTws.AccessService">
<endpoint address="" behaviorConfiguration="RESTEndpointBehavior"
binding="webHttpBinding" contract="icemRESTws.IAccessService" />
service>
services>
<behaviors>
<endpointBehaviors>
<behavior name="RESTEndpointBehavior">
<webHttp />
behavior>
endpointBehaviors>
<serviceBehaviors>
<behavior name="CodeDefautServiceBehavior">
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="false" />
behavior>
<behavior name="">
<serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="false" />
behavior>
serviceBehaviors>
behaviors>
<protocolMapping>
<add binding="basicHttpsBinding" scheme="https" />
protocolMapping>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
system.serviceModel>
<system.webServer>
<httpProtocol>
<customHeaders>
<add name="Access-Control-Allow-Origin" value="*" />
customHeaders>
httpProtocol>
<modules runAllManagedModulesForAllRequests="true"/>
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