Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13400",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-87c52362-dc3a-4f3a-b630-6a107da6143d",
      "cw-e8b33731-5fcc-416d-8178-c864b153fb5f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2961fa36-bf32-424f-b9dc-eb326335af63",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13400",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e8b33731-5fcc-416d-8178-c864b153fb5f"
  }
}