Error message: Status code 504

If the following error message appears then there is a chance that the application pool/application group of Clickker within the IIS no longer started.

This should be started again To fix the issue!

BadRequestException: Bad Request Exception

 response: {

    statusCode: 504,

    message: [AxiosError: Request failed with status code 504] {

      code: 'ERR_BAD_RESPONSE',

      config: [Object],

      request: [ClientRequest],

      response: [Object]

    }

  },

  status: 400

}