Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/23335",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-45bd96ce-f212-402a-8e81-ca5cd22168f3",
      "cw-be9f2f12-4af0-4654-80d2-1a748b737962"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-95488194-147c-4e66-b260-98d699ab7174",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/23335",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-be9f2f12-4af0-4654-80d2-1a748b737962"
  }
}