Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71045",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a143a5ed-5681-4fbb-9ef3-98eb1881a046",
      "cw-5d7d822d-5791-44a2-8aed-dcf81b40edbb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-806e16f0-87bf-450a-92e1-0acfb5fc08a6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71045",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5d7d822d-5791-44a2-8aed-dcf81b40edbb"
  }
}