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:

express-validator: requires to express-validator/check are deprecated.You should just use require("express-validator") instead.
Sun, 04 Jan 2026 01:17:32 GMT body-parser deprecated undefined extended: provide extended option at index.js:57:17
Sun, 04 Jan 2026 01:17:32 GMT body-parser deprecated undefined extended: provide extended option at index.js:72:20
(node:9656) [SEQUELIZE0002] DeprecationWarning: The logging-option should be either a function or false. Default: console.log
(Use `node --trace-deprecation ...` to show where the warning was created)
(node:9656) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.