Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:233942/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:233942/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0c064369-08ab-4e1f-8095-7e762401c539",
      "cw-f3c54a5f-50a1-4e43-bff5-fc8cfbf34f88"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-e69b6e4f-e735-46a9-b640-ab12cc3a4bc1",
    "manifestId": "https://zenodo.org/api/iiif/record:233942/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f3c54a5f-50a1-4e43-bff5-fc8cfbf34f88",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}