{
  "request": {
    "method": "GET",
    "url": "https://usosapps.uw.edu.pl/services/courses/course?course_id=does-not-exist&fields=id|name"
  },
  "response": {
    "message": "Referenced course does not exist.",
    "error": "object_not_found",
    "reason": "course"
  }
}