iisnode encountered an error when processing the request.

HRESULT: 0x6d
HTTP status: 500
HTTP subStatus: 1013
HTTP reason: Internal Server Error

You are receiving this HTTP 200 response because system.webServer/iisnode/@devErrorsEnabled configuration setting is 'true'.

In addition to the log of stdout and stderr of the node.exe process, consider using debugging and ETW traces to further diagnose the problem.

The last 64k of the output generated by the node.exe process to stderr is shown below:

(node:3304) Warning: Setting the NODE_TLS_REJECT_UNAUTHORIZED environment variable to '0' makes TLS connections and HTTPS requests insecure by disabling certificate verification.
(Use `node --trace-warnings ...` to show where the warning was created)
Warning: data for page "/" (path "/?_gl=1*1bk90g2*_gcl_au*MTYxODc2NjgyMS4xNzUwMjUyMDAy*_ga*MTUxMDUzMjQ5MC4xNzUwMjUyMDAy*_ga_SBF9PKM7WQ*czE3NTAyNTIwMDIkbzEkZzEkdDE3NTAyNTIyMDAkajUxJGwwJGgw") is 990 kB which exceeds the threshold of 128 kB, this amount of data can reduce performance.
See more info here: https://nextjs.org/docs/messages/large-page-data