Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4273379/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4273379/canvas/big_472447.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c83ff597-2cb1-4aab-abd9-7110f37e399b",
      "cw-42992f82-6a89-4ad2-a98a-a250f11c0d30"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-80cd73c4-26e1-46a0-9aa9-f6ac8a4466f7",
    "manifestId": "https://zenodo.org/api/iiif/record:4273379/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-42992f82-6a89-4ad2-a98a-a250f11c0d30",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}