Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/3240",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8d42fceb-82bd-4b14-8f5d-b98a3fcf1265",
      "cw-0941ea4b-b342-4e8a-a060-d025e04d6829"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ff3ae3bc-54a8-40dd-89f0-2915a639b5a7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/3240",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0941ea4b-b342-4e8a-a060-d025e04d6829"
  }
}