Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3439214",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4d139196-c999-4944-b8d0-592be5114d69",
      "cw-60d0d6ba-082f-4077-b64b-2897e7682d0f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2df2fc9b-2ef5-4249-99bd-abab78efc48f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3439214",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-60d0d6ba-082f-4077-b64b-2897e7682d0f"
  }
}