Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/2569",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-98036c3f-c6a1-4c17-9396-850927741124",
      "cw-6c8f92e5-aeda-4d87-b031-f6d17661b5b1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f5609a05-dbc8-4dc0-b175-cd17953a823a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/2569",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6c8f92e5-aeda-4d87-b031-f6d17661b5b1"
  }
}