Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/31100",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-422d954e-4fa8-499a-ba62-eda6e8237f03",
      "cw-f2f1b7ca-25a8-48b9-b64b-895ead2c9f73"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-65e07050-a405-4033-81b6-3b883e748d59",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/31100",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f2f1b7ca-25a8-48b9-b64b-895ead2c9f73"
  }
}