Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81363",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-df334129-6b41-4ed9-8771-078c3683cb26",
      "cw-91c5b63b-774d-4dd4-ae52-da8b6296d116"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ef9f6faf-97f1-4172-9184-35cd9bebbe80",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81363",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-91c5b63b-774d-4dd4-ae52-da8b6296d116"
  }
}