Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13540",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-100901c5-62f8-4c7b-990d-4cb99b5c307f",
      "cw-faaa9527-9859-4039-bd05-0bc18601ed19"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5d973821-ddd4-439b-b8fe-7ce81e8151b1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13540",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-faaa9527-9859-4039-bd05-0bc18601ed19"
  }
}