Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80666",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e9018a9d-a237-42f6-8866-b4caa64b9db9",
      "cw-80dbc05b-3da9-4364-9e8d-7295be750299"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-facbd4ba-ecde-43e0-8640-4e8f3f0fa696",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80666",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-80dbc05b-3da9-4364-9e8d-7295be750299"
  }
}