Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71327",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2a1f8238-5f0a-4254-8b5f-4e99eae300fc",
      "cw-468271c1-db31-4de4-b054-4f35d5e2c3d8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f87c0d45-ec91-43ea-9db4-b141ab7f0a27",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71327",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-468271c1-db31-4de4-b054-4f35d5e2c3d8"
  }
}