Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4566860/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4566860/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-409a42f4-2f24-4ee7-8dbf-9aaaf738c69b",
      "cw-2a835a9a-6f4f-4b6a-a6e5-e90bb0b646c0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-a7335100-1836-43ce-8ee5-118bf41eb9f7",
    "manifestId": "https://zenodo.org/api/iiif/record:4566860/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2a835a9a-6f4f-4b6a-a6e5-e90bb0b646c0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}