Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4386",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-abfa2075-ae55-4021-8155-3e1e86d0daa7",
      "cw-305545f0-f6e7-4866-a5bd-7b9e384d6d9c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dd3908eb-b3f5-4a17-80b7-68e4c97ca638",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4386",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-305545f0-f6e7-4866-a5bd-7b9e384d6d9c"
  }
}