iisnode encountered an error when processing the request.

HRESULT: 0x2
HTTP status: 500
HTTP subStatus: 1002
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:

Ignoring invalid configuration option passed to Connection: collation. This is currently a warning, but in future versions of MySQL2, an error will be thrown if you pass an invalid configuration option to a Connection
Application has thrown an uncaught exception and is terminated:
RangeError [ERR_SOCKET_BAD_PORT]: options.port should be >= 0 and < 65536. Received type number (NaN).
    at Server.listen (node:net:2059:5)
    at Function.listen (C:\Inetpub\vhosts\abc.k12.tr\mezun.abc.k12.tr\node_modules\express\lib\application.js:635:24)
    at file:///C:/Inetpub/vhosts/abc.k12.tr/mezun.abc.k12.tr/src/index.js:156:5
    at ModuleJobSync.runSync (node:internal/modules/esm/module_job:387:35)
    at ModuleLoader.importSyncForRequire (node:internal/modules/esm/loader:323:47)
    at loadESMFromCJS (node:internal/modules/cjs/loader:1371:24)
    at Module._compile (node:internal/modules/cjs/loader:1511:5)
    at Module._extensions..js (node:internal/modules/cjs/loader:1572:16)
    at Module.load (node:internal/modules/cjs/loader:1275:32)
    at Module._load (node:internal/modules/cjs/loader:1096:12)
    at Module.require (node:internal/modules/cjs/loader:1298:19)
    at require (node:internal/modules/helpers:182:18)
    at Object.<anonymous> (C:\Program Files\iisnode\interceptor.js:210:1)
    at Module._compile (node:internal/modules/cjs/loader:1529:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1613:10)
    at Module.load (node:internal/modules/cjs/loader:1275:32)