HTTP Error 500.19 - Internal Server Error

The requested page cannot be accessed because the related configuration data for the page is invalid.

Detailed Error Information:

Module   IIS Web Core
Notification   BeginRequest
Handler   Not yet determined
Error Code   0x800700b7
Config Error   There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined
Config File   \\?\E:\kunden\homepages\18\d106838068\www\Sofortmeldungen\web.config
Requested URL   http://www.heuer-personal.de:80/Sofortmeldungen/Impressum/about.htm
Physical Path   E:\kunden\homepages\18\d106838068\www\Sofortmeldungen\Impressum\about.htm
Logon Method   Not yet determined
Logon User   Not yet determined
Request Tracing Directory   faultRequestLogPath

Config Source:

    5: 			<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
    6: 				<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
    7: 				<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">

More Information:

This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error.

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