Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:268248/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:268248/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-61db5c8a-d1d8-4d53-901a-8b2aac067d75",
      "cw-2221168a-5032-49fb-a0d5-b50149b45043"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-bfb7309b-0383-414a-8af4-3d9e09ca3f4f",
    "manifestId": "https://zenodo.org/api/iiif/record:268248/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2221168a-5032-49fb-a0d5-b50149b45043",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}