Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81222",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bb2aeca5-aef0-4d3c-a952-f0bda2d5f00c",
      "cw-a719b559-6966-4f59-9914-cde594c515c5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1c9eadb9-3bec-42e1-a7f5-3b5f7aa40e01",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81222",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a719b559-6966-4f59-9914-cde594c515c5"
  }
}