Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3421432",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ee8e0282-e5b9-405a-9265-ffaf29146abf",
      "cw-988caca6-46f3-47c8-9a36-fb30dcd1bd89"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cad1f2f0-1232-4c30-bdc1-9e0d42aa09f6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3421432",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-988caca6-46f3-47c8-9a36-fb30dcd1bd89"
  }
}