Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:269749/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:269749/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d575cfc7-0cc5-4a57-8228-295fbbf3f572",
      "cw-e628e3c5-5ea7-42d5-87f5-655648ccac37"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-9d21f69b-408d-4f90-879a-31fdb723aa09",
    "manifestId": "https://zenodo.org/api/iiif/record:269749/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e628e3c5-5ea7-42d5-87f5-655648ccac37",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}