Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4250532",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1884f65d-e714-4e77-ba1d-26f15ab79ad7",
      "cw-941325dc-8c8a-43db-9dd6-b4ea5c231508"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5641a150-57f6-45d9-ad30-bf73922ab634",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4250532",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-941325dc-8c8a-43db-9dd6-b4ea5c231508"
  }
}