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   DefaultDocumentModule
Notification   ExecuteRequestHandler
Handler   StaticFile
Error Code   0x800700b7
Config Error   Não é possível adicionar a entrada de coleção duplicada do tipo 'add' com o atributo de chave exclusivo 'value' definido como 'default.aspx'
Config File   \\?\C:\inetpub\wwwroot\web.config
Requested URL   http://medwarelinklaudo.southcentralus.cloudapp.azure.com:80/1686/
Physical Path   C:\inetpub\wwwroot\1686\
Logon Method   Anonymous
Logon User   Anonymous

Config Source:

   48:             <files>
   49:                 <add value="default.aspx" />
   50:                 <add value="index.htm" />

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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