Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/54492",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ce047fb4-c463-4396-b362-12cc0294c549",
      "cw-910f1c11-d329-4ded-b008-1420a05d3161"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-170f6e0b-e018-4d69-ac1c-18e7c484b591",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/54492",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-910f1c11-d329-4ded-b008-1420a05d3161"
  }
}