Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:204890/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:204890/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e8797874-9e8a-4e72-aae7-d28851eb76a5",
      "cw-3ce4e027-9a0d-4fb6-9a7f-cac5137fa646"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-903038fa-4174-453f-86fa-65851dc949b0",
    "manifestId": "https://zenodo.org/api/iiif/record:204890/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3ce4e027-9a0d-4fb6-9a7f-cac5137fa646",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}