New WC.com, Unhandled Exception Occured

Error Page Source :financial.aspx

Date/Time :4/23/2014 1:22:17 PM

Error Message :The configSource file 'cn.config' is also used in a parent, this is not allowed. (D:\w3netrd\web.config line 26)

Error :System.Configuration.ConfigurationErrorsException: The configSource file 'cn.config' is also used in a parent, this is not allowed. (D:\w3netrd\web.config line 26) at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal) at System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere, Object& result, Object& resultRuntimeObject) at System.Configuration.BaseConfigurationRecord.GetSection(String configKey, Boolean getLkg, Boolean checkPermission) at System.Configuration.BaseConfigurationRecord.GetSection(String configKey) at System.Web.Configuration.RuntimeConfig.GetSectionObject(String sectionName) at System.Web.Configuration.RuntimeConfig.GetSection(String sectionName, Type type, ResultsIndex index) at System.Web.Configuration.RuntimeConfig.get_Identity() at System.Web.HttpContext.get_ImpersonationToken() at System.Web.ClientImpersonationContext.Start(HttpContext context, Boolean throwOnError) at System.Web.HttpApplication.ThreadContext.SetImpersonationContext() at System.Web.HttpApplication.ThreadContext.Enter(Boolean setImpersonationContext) at System.Web.HttpApplication.OnThreadEnterPrivate(Boolean setImpersonationContext) at System.Web.HttpApplication.ApplicationStepManager.ResumeSteps(Exception error)