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   HttpCacheModule
Notification   BeginRequest
Handler   ASPClassic
Error Code   0x800700b7
Config Error   Cannot add duplicate collection entry of type 'add' with unique key attribute 'extension' set to '.mp4'
Config File   \\?\C:\CNYX_Site\www.moveeast.com\mobile\web.config
Requested URL   https://www.moveeast.com:443/mobile/pricing.asp
Physical Path   C:\CNYX_Site\www.moveeast.com\mobile\pricing.asp
Logon Method   Not yet determined
Logon User   Not yet determined
Request Tracing Directory   C:\inetpub\logs\FailedReqLogFiles

Config Source:

   18:             <profiles>
   19:                 <add extension=".mp4" policy="CacheForTimePeriod" kernelCachePolicy="DontCache" duration="01:00:00" />
   20:                 <add extension=".jpeg" policy="CacheForTimePeriod" kernelCachePolicy="DontCache" duration="01:00:00" />

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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