Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4338",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-586f19ef-dff9-4bd0-ab5f-9df1c4d55bd5",
      "cw-93c792a0-b5a6-4b29-a29f-f9dd272466cc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-09c9d6a1-7cb3-49df-8327-9808fbe9ead9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4338",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-93c792a0-b5a6-4b29-a29f-f9dd272466cc"
  }
}