Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3146699",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-56a08f79-4a73-496c-a58d-9873f5f56437",
      "cw-71acbe2a-d30c-46a3-8816-e49ba54de9dc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8d1bf20b-96b7-4c60-9e99-42b8a9460a1c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3146699",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-71acbe2a-d30c-46a3-8816-e49ba54de9dc"
  }
}