{
  "graph": null,
  "err": {
    "ioerr": null,
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/grid_negative.d2,2:10:28-2:14:32",
        "errmsg": "d2/testdata/d2compiler/TestCompile/grid_negative.d2:3:11: columns must be a positive integer: \"-200\""
      }
    ]
  }
}