Upgrade Version

Hello,

I upgraded ext.net version 1.2 to 1.7. but it will gives errors when page load.

Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. (C:\inetpub\wwwroot\xxx\web.config line 168)

Line 166: <add name="OpenSessionInView" type="Spring.Data.NHibernate.Support.OpenSessionIn ViewModule, Spring.Data.NHibernate21"/>
Line 167: <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
Line 168: <add name="DirectRequestModule" type="Ext.Net.DirectRequestModule, Ext.Net"/>
Line 169: </httpModules>
Line 170: <httpHandlers>

Any idea?