这是什么错误

[guifeng_wang]

Server Error in '/net' 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 attribute 'xmlns'.

Source Error:


Line 8: \Windows\Microsoft.Net\Framework\v2.x\Config 中
Line 9: -->
Line 10: <configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
Line 11: <appSettings/>
Line 12: <connectionStrings/>


Source File: E:\网页\CANetwork\web.config Line: 10

[ylqmf]

up

[Red_angelX]

Unrecognized attribute 'xmlns'.
这不说的很清楚么

[shoushii]

Unrecognized attribute 'xmlns'.
不认识XMLNS节点