Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12286263",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-524ae972-41ed-4fcf-ba51-b4f93a1aa9a4",
      "cw-f34f8363-98d5-459a-9b24-530d8f4fe0ac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5f81ada4-b80d-453a-9bc5-aece27ff8fda",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12286263",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f34f8363-98d5-459a-9b24-530d8f4fe0ac"
  }
}