Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4074692",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-989bef5a-4cef-4add-b313-d28ac4218a10",
      "cw-947820f4-3fce-4913-8a0d-9d0ece829194"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-220c8e00-23ed-46b0-b0e1-a09558fab899",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4074692",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-947820f4-3fce-4913-8a0d-9d0ece829194"
  }
}