Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4254649",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7f256f35-26bf-42ab-a82b-5bc56dcde661",
      "cw-de8ccd1a-9334-4afd-ad31-8a184460ba8e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c7586c8d-b238-4126-9322-4346c7ac6471",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4254649",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-de8ccd1a-9334-4afd-ad31-8a184460ba8e"
  }
}