Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:12521105/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:12521105/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-16e35e84-d3a8-41cf-bbc4-294c63f7eb83",
      "cw-887337a3-0236-4682-a25f-48b6af9047ae"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-3415f850-bce6-4406-a9e7-91816da01853",
    "manifestId": "https://zenodo.org/api/iiif/record:12521105/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-887337a3-0236-4682-a25f-48b6af9047ae",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}