Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/84057",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-88edd5c4-a574-4f8f-9330-fe325b14391c",
      "cw-48b837de-2b7f-43b1-ac4a-42e447079dc6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4bf30f5a-66ea-4ec6-bd8c-868c71d553cf",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/84057",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-48b837de-2b7f-43b1-ac4a-42e447079dc6"
  }
}