{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2,21:1:279-21:9:287",
        "errmsg": "d2/testdata/d2compiler/TestCompile/grid_deeper_edge.d2:22:2: edge from grid diagram \"hey.a\" cannot enter itself"
      }
    ]
  }
}