HTTP Error 500.52 - URL Rewrite Module Error.

The page cannot be displayed because an internal server error has occurred.

Detailed Error Information:

Module   RewriteModule
Notification   SendResponse
Handler   StaticFile
Error Code   0x800700b7
Config Error   Cannot add duplicate collection entry of type 'rule' with unique key attribute 'name' set to 'Imported Rule 1-1'
Config File   \\?\E:\Inetpub\vhosts\bebe.be\httpdocs\forum\web.config
Requested URL   https://www.bebe.be:443/forum/
Physical Path   E:\Inetpub\vhosts\bebe.be\httpdocs\forum\
Logon Method   Not yet determined
Logon User   Not yet determined

Config Source:

    5:             <rules>
    6:                 <rule name="Imported Rule 1-1">
    7:                     <match url="^([a-z0-9-]+)/([a-z0-9-]+)\.htm$" />

More Information:

This error means that there was a problem while processing the request. The request was received by the Web server, but during processing a fatal error occurred, causing the 500 error.

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