Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4041",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ff63d7c7-035d-4701-9009-b2fce740e64e",
      "cw-9e9db46d-ba36-4938-8064-6902dee1cbe1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e298776d-dc63-46d7-a1fd-dbbf4460bbcd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4041",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9e9db46d-ba36-4938-8064-6902dee1cbe1"
  }
}