Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12871828",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e8c2f635-aac2-45db-80f0-f6f4850486e6",
      "cw-1812522a-3b88-481e-b949-a0e12c8924f9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7796ec35-f4c7-43fb-80c3-80fe9346bffa",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12871828",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1812522a-3b88-481e-b949-a0e12c8924f9"
  }
}