{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/positions_negative.d2,2:7:24-2:11:28",
        "errmsg": "d2/testdata/d2compiler/TestCompile/positions_negative.d2:3:8: left must be a non-negative integer: \"-200\""
      }
    ]
  }
}