Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80835",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ff8330ec-930d-4e7a-b4be-5434ad263d61",
      "cw-8e4e8d94-18fc-43bf-b225-1cfdf4e57f43"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b946f2b3-bb84-4d00-886b-5e35b9a284b3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80835",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8e4e8d94-18fc-43bf-b225-1cfdf4e57f43"
  }
}