Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70918",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e7d2231e-b1c3-475e-a72b-4ae0a75ea9f0",
      "cw-8d07c65c-42ee-47bb-83c4-f9c8337e67cb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bb0379bc-cbc0-4b3c-b5c5-00534b180acb",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70918",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8d07c65c-42ee-47bb-83c4-f9c8337e67cb"
  }
}