Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5260716/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5260716/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a020e81e-4297-4d4c-b082-24880a077659",
      "cw-7155cf87-3419-4c75-822c-5be6d13ede89"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-2f519df2-fb83-4d24-955b-4d7fc0044acf",
    "manifestId": "https://zenodo.org/api/iiif/record:5260716/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7155cf87-3419-4c75-822c-5be6d13ede89",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}