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 'entityFramework' section defined
Config File   \\?\F:\canais\dgabc2013\web.config
Requested URL   http://www.dgabc.com.br:80/canais/dgabc2013/Noticias/Historico?dia=23&mes=10&ano=2011&pagina=1
Physical Path   F:\canais\dgabc2013\Noticias\Historico
Logon Method   Not yet determined
Logon User   Not yet determined
Request Tracing Directory   C:\inetpub\logs\FailedReqLogFiles

Config Source:

    7:   <configSections>
    8:     <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
    9:     <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->

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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