Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53115",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-304a4426-a9ff-4d26-93ea-20491593efbf",
      "cw-ddea691f-2c08-4e78-a157-4163b4305389"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-df2a2490-bd3d-47b9-bd83-0195ff38f7ea",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53115",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ddea691f-2c08-4e78-a157-4163b4305389"
  }
}