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:6176) [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)
SvelteKitError: Not found: /langd/
    at resolve2 (file:///C:/Websites/www.havetiskolan.se/server/index.js:4916:18)
    at file:///C:/Websites/www.havetiskolan.se/server/index.js:4738:19
    at AsyncLocalStorage.run (node:async_hooks:346:14)
    at with_event (file:///C:/Websites/www.havetiskolan.se/server/index.js:1893:22)
    at resolve (file:///C:/Websites/www.havetiskolan.se/server/index.js:4736:11)
    at Object.handle (file:///C:/Websites/www.havetiskolan.se/server/chunks/hooks.server-DLClGKqV.js:2:10)
    at file:///C:/Websites/www.havetiskolan.se/server/index.js:4731:28
    at AsyncLocalStorage.run (node:async_hooks:346:14)
    at with_event (file:///C:/Websites/www.havetiskolan.se/server/index.js:1893:22)
    at respond (file:///C:/Websites/www.havetiskolan.se/server/index.js:4729:28) {
  status: 404,
  text: 'Not Found'
}
Error: Bad Request
    at Request.callback (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\index.js:699:13)
    at C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\index.js:903:18
    at Stream.<anonymous> (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\parsers\json.js:19:7)
    at Stream.emit (node:events:518:28)
    at Unzip.<anonymous> (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\unzip.js:55:12)
    at Unzip.emit (node:events:518:28)
    at endReadableNT (node:internal/streams/readable:1698:12)
    at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
  status: 400,
  response: <ref *1> Response {
    _events: [Object: null prototype] {},
    _eventsCount: 0,
    _maxListeners: undefined,
    res: IncomingMessage {
      _events: [Object],
      _readableState: [ReadableState],
      _maxListeners: undefined,
      socket: [TLSSocket],
      httpVersionMajor: 1,
      httpVersionMinor: 1,
      httpVersion: '1.1',
      complete: true,
      rawHeaders: [Array],
      rawTrailers: [],
      joinDuplicateHeaders: undefined,
      aborted: false,
      upgrade: false,
      url: '',
      method: null,
      statusCode: 400,
      statusMessage: 'Bad Request',
      client: [TLSSocket],
      _consuming: false,
      _dumped: false,
      req: [ClientRequest],
      _eventsCount: 3,
      setEncoding: [Function (anonymous)],
      on: [Function (anonymous)],
      text: '{"title":"Member Exists","status":400,"detail":"Ann-Charlotte.kallbom@jgy.se is already a list member. Use PUT to insert or update list members.","instance":"2c0cfbe8-c2d0-b6ee-bf49-e2ef4ed0268e"}',
      [Symbol(shapeMode)]: true,
      [Symbol(kCapture)]: false,
      [Symbol(kHeaders)]: [Object],
      [Symbol(kHeadersCount)]: 32,
      [Symbol(kTrailers)]: null,
      [Symbol(kTrailersCount)]: 0
    },
    request: Request {
      _events: [Object: null prototype] {},
      _eventsCount: 0,
      _maxListeners: undefined,
      _agent: false,
      _formData: null,
      method: 'PUT',
      url: 'https://us1.api.mailchimp.com/3.0/lists/c845e6bdae/members/6b7825aaa3c74cdd1e8b7050848b763c',
      _header: [Object],
      header: [Object],
      writable: true,
      _redirects: 0,
      _maxRedirects: 5,
      cookies: '',
      qs: {},
      _query: [],
      qsRaw: [],
      _redirectList: [],
      _streamRequest: false,
      _timeout: 120000,
      _responseTimeout: 0,
      _data: [Object],
      req: [ClientRequest],
      protocol: 'https:',
      host: 'us1.api.mailchimp.com',
      _endCalled: true,
      _callback: [Function (anonymous)],
      res: [IncomingMessage],
      response: [Circular *1],
      called: true,
      [Symbol(shapeMode)]: false,
      [Symbol(kCapture)]: false
    },
    req: ClientRequest {
      _events: [Object: null prototype],
      _eventsCount: 3,
      _maxListeners: undefined,
      outputData: [],
      outputSize: 0,
      writable: true,
      destroyed: true,
      _last: true,
      chunkedEncoding: false,
      shouldKeepAlive: false,
      maxRequestsOnConnectionReached: false,
      _defaultKeepAlive: true,
      useChunkedEncodingByDefault: true,
      sendDate: false,
      _removedConnection: false,
      _removedContLen: false,
      _removedTE: false,
      strictContentLength: false,
      _contentLength: 74,
      _hasBody: true,
      _trailer: '',
      finished: true,
      _headerSent: true,
      _closed: true,
      socket: [TLSSocket],
      _header: 'PUT /3.0/lists/c845e6bdae/members/6b7825aaa3c74cdd1e8b7050848b763c HTTP/1.1\r\n' +
        'Host: us1.api.mailchimp.com\r\n' +
        'Accept-Encoding: gzip, deflate\r\n' +
        'User-Agent: node-superagent/3.8.1\r\n' +
        'Authorization: Basic dXNlcjpiMzQ4Y2JiMDY3ZTliNDU1MGQxNjU4NTFmZDBmOWM1MC11czE=\r\n' +
        'Content-Type: application/json\r\n' +
        'Accept: application/json\r\n' +
        'Content-Length: 74\r\n' +
        'Connection: close\r\n' +
        '\r\n',
      _keepAliveTimeout: 0,
      _onPendingData: [Function: nop],
      agent: [Agent],
      socketPath: undefined,
      method: 'PUT',
      maxHeaderSize: undefined,
      insecureHTTPParser: undefined,
      joinDuplicateHeaders: undefined,
      path: '/3.0/lists/c845e6bdae/members/6b7825aaa3c74cdd1e8b7050848b763c',
      _ended: true,
      res: [IncomingMessage],
      aborted: false,
      timeoutCb: null,
      upgradeOrConnect: false,
      parser: null,
      maxHeadersCount: null,
      reusedSocket: false,
      host: 'us1.api.mailchimp.com',
      protocol: 'https:',
      [Symbol(shapeMode)]: false,
      [Symbol(kCapture)]: false,
      [Symbol(kBytesWritten)]: 0,
      [Symbol(kNeedDrain)]: false,
      [Symbol(corked)]: 0,
      [Symbol(kOutHeaders)]: [Object: null prototype],
      [Symbol(errored)]: null,
      [Symbol(kHighWaterMark)]: 16384,
      [Symbol(kRejectNonStandardBodyWrites)]: false,
      [Symbol(kUniqueHeaders)]: null
    },
    text: '{"title":"Member Exists","status":400,"detail":"Ann-Charlotte.kallbom@jgy.se is already a list member. Use PUT to insert or update list members.","instance":"2c0cfbe8-c2d0-b6ee-bf49-e2ef4ed0268e"}',
    body: {
      title: 'Member Exists',
      status: 400,
      detail: 'Ann-Charlotte.kallbom@jgy.se is already a list member. Use PUT to insert or update list members.',
      instance: '2c0cfbe8-c2d0-b6ee-bf49-e2ef4ed0268e'
    },
    files: undefined,
    buffered: true,
    headers: {
      'content-type': 'application/problem+json; charset=utf-8',
      'content-length': '175',
      'x-spanid': 'a778e6a5-535a-f866-10dd-f37dbadf1116',
      'x-amzn-trace-id': 'Root=1-67dcfcf0-08fecdb5084de41237b591b6',
      'content-encoding': 'gzip',
      link: '<https://us1.api.mailchimp.com/schema/3.0/Definitions/ProblemDetailDocument.json>; rel="describedBy"',
      server: 'istio-envoy',
      vary: 'Accept-Encoding',
      'x-envoy-upstream-service-time': '149',
      'x-envoy-decorator-operation': 'http-interposer-desired-service.mailchimp-cloud-httpinterposer-use2-prd-m2.svc.cluster.local:8090/*',
      'strict-transport-security': 'max-age=31536000',
      intuit_tid: '1-67dcfcf0-08fecdb5084de41237b591b6',
      'x-request-id': '1-67dcfcf0-08fecdb5084de41237b591b6',
      date: 'Fri, 21 Mar 2025 05:45:20 GMT',
      connection: 'close',
      'akamai-grn': '0.d0fd33b8.1742535920.3361e47'
    },
    header: {
      'content-type': 'application/problem+json; charset=utf-8',
      'content-length': '175',
      'x-spanid': 'a778e6a5-535a-f866-10dd-f37dbadf1116',
      'x-amzn-trace-id': 'Root=1-67dcfcf0-08fecdb5084de41237b591b6',
      'content-encoding': 'gzip',
      link: '<https://us1.api.mailchimp.com/schema/3.0/Definitions/ProblemDetailDocument.json>; rel="describedBy"',
      server: 'istio-envoy',
      vary: 'Accept-Encoding',
      'x-envoy-upstream-service-time': '149',
      'x-envoy-decorator-operation': 'http-interposer-desired-service.mailchimp-cloud-httpinterposer-use2-prd-m2.svc.cluster.local:8090/*',
      'strict-transport-security': 'max-age=31536000',
      intuit_tid: '1-67dcfcf0-08fecdb5084de41237b591b6',
      'x-request-id': '1-67dcfcf0-08fecdb5084de41237b591b6',
      date: 'Fri, 21 Mar 2025 05:45:20 GMT',
      connection: 'close',
      'akamai-grn': '0.d0fd33b8.1742535920.3361e47'
    },
    statusCode: 400,
    status: 400,
    statusType: 4,
    info: false,
    ok: false,
    redirect: false,
    clientError: true,
    serverError: false,
    error: Error: cannot PUT /3.0/lists/c845e6bdae/members/6b7825aaa3c74cdd1e8b7050848b763c (400)
        at Response.toError (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\response.js:94:15)
        at ResponseBase._setStatusProperties (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\response-base.js:123:16)
        at new Response (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\response.js:41:8)
        at Request._emitResponse (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\index.js:739:20)
        at C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\index.js:903:38
        at Stream.<anonymous> (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\parsers\json.js:19:7)
        at Stream.emit (node:events:518:28)
        at Unzip.<anonymous> (C:\Websites\www.havetiskolan.se\node_modules\superagent\lib\node\unzip.js:55:12)
        at Unzip.emit (node:events:518:28)
        at endReadableNT (node:internal/streams/readable:1698:12) {
      status: 400,
      text: '{"title":"Member Exists","status":400,"detail":"Ann-Charlotte.kallbom@jgy.se is already a list member. Use PUT to insert or update list members.","instance":"2c0cfbe8-c2d0-b6ee-bf49-e2ef4ed0268e"}',
      method: 'PUT',
      path: '/3.0/lists/c845e6bdae/members/6b7825aaa3c74cdd1e8b7050848b763c'
    },
    accepted: false,
    noContent: false,
    badRequest: true,
    unauthorized: false,
    notAcceptable: false,
    forbidden: false,
    notFound: false,
    type: 'application/problem+json',
    charset: 'utf-8',
    links: {
      describedBy: 'https://us1.api.mailchimp.com/schema/3.0/Definitions/ProblemDetailDocument.json'
    },
    setEncoding: [Function: bound ],
    redirects: [],
    [Symbol(shapeMode)]: false,
    [Symbol(kCapture)]: false
  }
}