type ExceptionPolicyImpl has multiple constructors of length 2. Unable to disambiguate. Microsoft Error
<p>I'm new to building and receiving the following error msg when trying to debug my program and not able to find the solution. Please someone help:</p>

<p>Error:</p>

<pre><code>Microsoft.Practices.ServiceLocation.ActivationException: Activation error occured while trying to get instance of type ExceptionPolicyImpl, key &amp;quot;General Exception Policy&amp;quot; ---&gt; Microsoft.Practices.Unity.ResolutionFailedException: Resolution of the dependency failed, type = &amp;quot;Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicyImpl&amp;quot;, name = &amp;quot;General Exception Policy&amp;quot;.
Exception occurred while: while resolving.
Exception is: InvalidOperationException - The type ExceptionPolicyImpl has multiple constructors of length 2. Unable to disambiguate.
</code></pre>

<p>Code:</p>

<pre><code>catch (Exception ex)
        {
            if (ExceptionPolicy.HandleException(ex, "General Exception Policy")) { throw; }
        }
</code></pre>

<p>Web Config: </p>

<pre><code>    &lt;?xml version="1.0"?&gt;
    &lt;configuration&gt;
      &lt;configSections&gt;
        &lt;sectionGroup name="system.web.extensions"    type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions,     Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt;
      &lt;sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup,     System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt;
        &lt;section name="scriptResourceHandler"     type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt;
        &lt;sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt;
          &lt;section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/&gt;
          &lt;section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt;
          &lt;section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt;
          &lt;section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt;
        &lt;/sectionGroup&gt;
      &lt;/sectionGroup&gt;
    &lt;/sectionGroup&gt;
  &lt;/configSections&gt;
  &lt;appSettings&gt;
    &lt;add key="MDS_HE_CS" value="K31fZXPsRsNicTKZjYZEY5fztMAjJakZCPHR0jg/ktpCbA3eOZCRNPUKzyaall3dEH/9WJxtzA0lqnAF8zZd9g=="/&gt;
    &lt;add key="MDS_HG_CS" value="K31fZXPsRsN6eqRj7RG3iVGFHQJHlaKXZ7Wid8/O8n5n1i0PmLRKA99KkjVlX/si2CmQhRimqOUy2NU2rgeaDg=="/&gt;
    &lt;add key="MDS_SG_CS" value="K31fZXPsRsNsK1mZRedCcsX2NTeAU++y10mRWBHyjeJdhMPf4Li57rQhS5bNE40YyMdyn76xQbRQDASc+Hvnmg=="/&gt;
    &lt;add key="MDS_MG_CS" value="K31fZXPsRsM3r7gLICawWaaUMSj4U2tx0feh+eT/BzLaXFBWqFUEF19zpXG7HKvwZKpvEoNi3gBTjoyK5+zb1Q=="/&gt;
    &lt;add key="MDS_TST_CS_2" value="K31fZXPsRsOprCPavJFNNxdlljNGgQ0MVZ1H7bN9t/QRDacO5cEv0Iu6jzkehAeGHy+VJn2um3hgtf8s0tYL9Q=="/&gt;
    &lt;add key="MDS_TST_CS" value="K31fZXPsRsOE2fkrlag8a9x2CK4E35/9G/IxK0WRidmU9Su4O81qAI8CwXPhFU5W5OBMV4k+K523h4nmSt6VlQ=="/&gt;
    &lt;add key="MDS_KEY" value="80e995ebfb724ffca2f11205cb8ad0eb"/&gt;
  &lt;/appSettings&gt;
  &lt;connectionStrings/&gt;
  &lt;system.web&gt;
    &lt;!--
            Set compilation debug="true" to insert debugging 
            symbols into the compiled page. Because this 
            affects performance, set this value to true only 
            during development.
        --&gt;
    &lt;compilation debug="true"&gt;
      &lt;assemblies&gt;
        &lt;add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt;
        &lt;add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
      &lt;/assemblies&gt;
    &lt;/compilation&gt;
    &lt;!--
            The &lt;authentication&gt; section enables configuration 
            of the security authentication mode used by 
            ASP.NET to identify an incoming user. 
        --&gt;
    &lt;authentication mode="Windows"/&gt;
    &lt;!--
            The &lt;customErrors&gt; section enables configuration 
            of what to do if/when an unhandled error occurs 
            during the execution of a request. Specifically, 
            it enables developers to configure html error pages 
            to be displayed in place of a error stack trace.

        &lt;customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"&gt;
            &lt;error statusCode="403" redirect="NoAccess.htm" /&gt;
            &lt;error statusCode="404" redirect="FileNotFound.htm" /&gt;
        &lt;/customErrors&gt;
        --&gt;
    &lt;pages&gt;
      &lt;controls&gt;
        &lt;add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
      &lt;/controls&gt;
    &lt;/pages&gt;
    &lt;httpHandlers&gt;
      &lt;remove verb="*" path="*.asmx"/&gt;
      &lt;add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
      &lt;add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
      &lt;add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/&gt;
    &lt;/httpHandlers&gt;
    &lt;httpModules&gt;
      &lt;add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
    &lt;/httpModules&gt;
  &lt;/system.web&gt;
  &lt;system.codedom&gt;
    &lt;compilers&gt;
      &lt;compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"&gt;
        &lt;providerOption name="CompilerVersion" value="v3.5"/&gt;
        &lt;providerOption name="WarnAsError" value="false"/&gt;
      &lt;/compiler&gt;
    &lt;/compilers&gt;
  &lt;/system.codedom&gt;
  &lt;system.web.extensions&gt;
    &lt;scripting&gt;
      &lt;webServices&gt;
        &lt;!--
              Uncomment this section to enable the authentication service. Include 
              requireSSL="true" if appropriate.

          &lt;authenticationService enabled="true" requireSSL = "true|false"/&gt;
          --&gt;
        &lt;!--
              Uncomment these lines to enable the profile service, and to choose the 
              profile properties that can be retrieved and modified in ASP.NET AJAX 
              applications.

          &lt;profileService enabled="true"
                          readAccessProperties="propertyname1,propertyname2"
                          writeAccessProperties="propertyname1,propertyname2" /&gt;
          --&gt;
        &lt;!--
              Uncomment this section to enable the role service.

          &lt;roleService enabled="true"/&gt;
          --&gt;
      &lt;/webServices&gt;
      &lt;!--
        &lt;scriptResourceHandler enableCompression="true" enableCaching="true" /&gt;
        --&gt;
    &lt;/scripting&gt;
  &lt;/system.web.extensions&gt;
  &lt;!--
        The system.webServer section is required for running ASP.NET AJAX under Internet
        Information Services 7.0.  It is not necessary for previous version of IIS.
    --&gt;
  &lt;system.webServer&gt;
    &lt;validation validateIntegratedModeConfiguration="false"/&gt;
    &lt;modules&gt;
      &lt;add name="ScriptModule" preCondition="integratedMode" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
    &lt;/modules&gt;
    &lt;handlers&gt;
      &lt;remove name="WebServiceHandlerFactory-Integrated"/&gt;
      &lt;add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
      &lt;add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
      &lt;add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt;
    &lt;/handlers&gt;
  &lt;/system.webServer&gt;
  &lt;system.serviceModel&gt;
    &lt;services&gt;
      &lt;service name="CNP.MDS.AMS35.Webservice35.Service1" behaviorConfiguration="CNP.MDS.AMS35.Webservice35.Service1Behavior"&gt;
        &lt;!-- Service Endpoints --&gt;
        &lt;endpoint address="" binding="wsHttpBinding" contract="CNP.MDS.AMS35.Webservice35.IService1"&gt;
          &lt;!-- 
              Upon deployment, the following identity element should be removed or replaced to reflect the 
              identity under which the deployed service runs.  If removed, WCF will infer an appropriate identity 
              automatically.
          --&gt;
          &lt;identity&gt;
            &lt;dns value="localhost"/&gt;
          &lt;/identity&gt;
        &lt;/endpoint&gt;
        &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/&gt;
      &lt;/service&gt;
    &lt;/services&gt;
    &lt;behaviors&gt;
      &lt;serviceBehaviors&gt;
        &lt;behavior name="CNP.MDS.AMS35.Webservice35.Service1Behavior"&gt;
          &lt;!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment --&gt;
          &lt;serviceMetadata httpGetEnabled="true"/&gt;
          &lt;!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information --&gt;
          &lt;serviceDebug includeExceptionDetailInFaults="false"/&gt;
        &lt;/behavior&gt;
      &lt;/serviceBehaviors&gt;
    &lt;/behaviors&gt;
  &lt;/system.serviceModel&gt;
&lt;/configuration&gt;
</code></pre>
