Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12255605",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fc289947-ff03-42d2-9026-84ffba113713",
      "cw-e6d0bbf8-376b-4a97-b55b-b901c60a16a1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fc9a3362-a12c-482b-8dcb-e0e3920f236e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12255605",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e6d0bbf8-376b-4a97-b55b-b901c60a16a1"
  }
}