Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/27422",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1d0fb909-3738-40b6-b957-bb6cf9c18442",
      "cw-dbf96452-a1b5-4fe0-bb0b-96af0a7b399e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4840c186-4997-4fd0-b782-1501943ebf9c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/27422",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dbf96452-a1b5-4fe0-bb0b-96af0a7b399e"
  }
}