Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:400727/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:400727/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-73cba450-3e5b-4fe2-8279-4f135de7a9b6",
      "cw-609971ae-8fd6-49d3-a58b-27e689646e1d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-80d5f3f5-8260-4149-a99b-3af703802950",
    "manifestId": "https://zenodo.org/api/iiif/record:400727/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-609971ae-8fd6-49d3-a58b-27e689646e1d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}