Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/2935",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dc498c92-70b8-447c-803c-f868c2146663",
      "cw-cf8dab54-c634-4741-95e7-8361e8ae183a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ffbedc9c-c21a-4184-b85b-f912e512d7aa",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/2935",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cf8dab54-c634-4741-95e7-8361e8ae183a"
  }
}