Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/580473",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ce4fee46-4415-4098-b06c-232f78eaae72",
      "cw-7ff00f6c-dd15-416d-ac1d-1bc65fb74a1a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-555f4de7-2ece-4791-afed-52246e5f2fe0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/580473",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7ff00f6c-dd15-416d-ac1d-1bc65fb74a1a"
  }
}