Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81876",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6575e609-49ed-4958-b207-adeb0dfccb03",
      "cw-12a1c305-4f88-44ac-bacb-37101895845b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-014c36c9-ffb5-428f-b5d6-8d967686fd11",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81876",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-12a1c305-4f88-44ac-bacb-37101895845b"
  }
}