Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/75368",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-04322718-8c68-4805-96ee-13d317172e1d",
      "cw-93a09e8a-bd4f-46d9-8374-02146539710c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04aa9c41-fea6-48ae-b0c7-5f4c29b24a60",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/75368",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-93a09e8a-bd4f-46d9-8374-02146539710c"
  }
}