Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/40258",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-64168654-d623-4743-8a40-d7889f7ee0e0",
      "cw-64e87964-328c-4d3f-b6b6-35663ac59990"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-405118ff-0cce-4cb7-8a38-7a90586cb465",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/40258",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-64e87964-328c-4d3f-b6b6-35663ac59990"
  }
}