Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/34430",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-da91cb3a-a2bd-4333-862c-5afeab05ab5c",
      "cw-912319bb-2330-4bcd-b327-841e4cc2d4a7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-384bee03-025b-4a25-ae1c-e62bd11db516",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/34430",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-912319bb-2330-4bcd-b327-841e4cc2d4a7"
  }
}