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:9944) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
(Use `node --trace-deprecation ...` to show where the warning was created)
Warning: componentWillMount has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.

* Move code from componentWillMount to componentDidMount (preferred in most cases) or the constructor.

Please update the following components: LoadableComponent
    in LoadableComponent
    in Context.Provider
    in Context.Consumer
    in Route
    in Context.Consumer
    in Switch
    in div
    in c
    in Context.Provider
    in Context.Provider
    in Router
    in StaticRouter
    in Capture
Warning: componentWillMount has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.

* Move code from componentWillMount to componentDidMount (preferred in most cases) or the constructor.

Please update the following components: SideEffect(NullComponent)
    in SideEffect(NullComponent)
    in HelmetWrapper
    in div
    in s
    in LoadableComponent
    in Context.Provider
    in Context.Consumer
    in Route
    in Context.Consumer
    in Switch
    in div
    in c
    in Context.Provider
    in Context.Provider
    in Router
    in StaticRouter
    in Capture
(node:9944) [DEP0066] DeprecationWarning: OutgoingMessage.prototype._headers is deprecated