Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71161",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-84566a05-38e6-49f1-beca-a9f0d9168c4e",
      "cw-f7afa48b-d1ca-4ad8-8a63-bfd4267ed6bd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fe6359f4-cc9d-41ed-adaf-670b181aad3f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71161",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f7afa48b-d1ca-4ad8-8a63-bfd4267ed6bd"
  }
}