Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/52230",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22ebaae2-8c45-4951-8859-3988c6b3510a",
      "cw-f62ca8d9-68f9-41a9-913d-600b560dc5e0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd43d009-1ce5-4126-a445-fdace9c71785",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/52230",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f62ca8d9-68f9-41a9-913d-600b560dc5e0"
  }
}