Server Error in '/' Application.

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Unrecognized configuration section system.serviceModel.
Source Error:
Line 158:<rewrite url="~/admin/Login.aspx" to="~/admin/Login.aspx"/>
Line 159:</rewriter>
Line 160:<system.serviceModel>
Line 161:<behaviors>
Line 162:<endpointBehaviors>
Source File: D:\111服务器\web7\www.dlufida.com.cn\web.config Line: 160
Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053