{
  "graph": null,
  "err": {
    "ioerr": null,
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/link-board-not-found.d2,0:8:8-0:16:16",
        "errmsg": "d2/testdata/d2compiler/TestCompile/link-board-not-found.d2:1:9: link key \"layers.x\" to board not found"
      }
    ]
  }
}