Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4608521/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4608521/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-50a6bd97-ec72-4652-9147-fab51dd851f4",
      "cw-d5b7b731-7c00-439d-b316-b73814957c06"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1e28639a-504f-4951-bb5d-57a6d8f45fd4",
    "manifestId": "https://zenodo.org/api/iiif/record:4608521/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d5b7b731-7c00-439d-b316-b73814957c06",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}