Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4974739/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4974739/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ddb56856-bc41-4f9d-af20-24f9b740e6ff",
      "cw-d77633a8-61cb-4ea7-a83b-4cf50db892e5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-4a3e7315-f8eb-4585-b723-aac9755a6981",
    "manifestId": "https://zenodo.org/api/iiif/record:4974739/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d77633a8-61cb-4ea7-a83b-4cf50db892e5",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}