Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25961",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-96acf955-54cb-4879-8880-dfe883cd4f0f",
      "cw-7225af50-bf30-4102-a16d-b6807fb8def0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-30116bf8-f069-4a26-a679-1d7f55c58785",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25961",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7225af50-bf30-4102-a16d-b6807fb8def0"
  }
}