Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73013",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a13963fa-6be5-4616-90aa-7df416faa870",
      "cw-787d878b-4b94-4631-aa02-bba16795d167"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3c39b2b3-7b78-4fd7-9b11-3dd72ddc0276",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73013",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-787d878b-4b94-4631-aa02-bba16795d167"
  }
}