IIS Error Code 0x80070021

Error Message:
Detailed Error Information:
Module IIS Web Core
Notification BeginRequest
Handler Not yet determined
Error Code 0x80070021
Config Error This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false".
Config File \\?\C:\HooliApp\web.config
Resolution:

Run InetMgr.exe > Sites > select Hooli Support Portal > right-click Configuration Editor > Set Application Pool, Physical Path, and authentication as Pass-through > Test settings > OK

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