Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/84010",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-86b9ff12-11eb-4bb3-ac84-2d2306d88ab5",
      "cw-ded919e2-9da0-4948-bd78-682eb4024584"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-284cc1b0-ba6f-4af1-ba01-087bc5cf305a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/84010",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ded919e2-9da0-4948-bd78-682eb4024584"
  }
}