Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6039320",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5e62f519-bf3c-4769-a4ab-620683ca35b1",
      "cw-362565bd-f74d-406c-9aba-abb5bbdeef89"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e6fe7799-274a-4f36-a6f3-e1ef0879ba64",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6039320",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-362565bd-f74d-406c-9aba-abb5bbdeef89"
  }
}