Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25001",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22e5177e-65f2-4949-8ca2-ee880722437a",
      "cw-223fd044-5a1f-4a24-b5cb-753f716d170f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4fa9a406-a638-4393-8356-b8b28807fe32",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25001",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-223fd044-5a1f-4a24-b5cb-753f716d170f"
  }
}