Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12600397",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8e5af4f5-5597-4f28-bf44-40e4ede89f53",
      "cw-2a053e9d-0305-4822-be93-cb27a677becd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-36761ab0-2a49-49d3-8ee6-b9ed20105e3a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12600397",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2a053e9d-0305-4822-be93-cb27a677becd"
  }
}