Dnn default Document Exception error

Error summary HTTP Error 500.19-Internal Server Error
The requested page cannot be accessed because the configuration data of the page is invalid.

Detailed error message module: defadocumentdocumentmodule
Notification executerequesthandler
ProcessingProgramStaticfile
ErrorCode0x800700b7
Configuration error: When the unique key property "value" is set to "default. aspx", duplicate set items of the type "add" cannot be added.
Configuration file \ ******** \ WEB. config

 

<Defadocument document>
<Files>
<Add value = "default. aspx"/>
</Files>
</Defadocument document>

The error occurs because the default document is set to default in IIS. aspx. At this time, Asp.net obtains another add with the same value, causing an exception. The solution is to add <clear/> before <Add/>.

 

This method applies to any. Net configuration that may produce inheritance obfuscation.