Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58279",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-de96661b-00eb-4f0c-b725-45d3875933be",
      "cw-2ff97bc8-321a-4e68-af11-097d8859851a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4e43687c-c835-409c-bd9a-b1c08f39a70c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58279",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2ff97bc8-321a-4e68-af11-097d8859851a"
  }
}