Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2720011/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2720011/canvas/BR0000010720141.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-16431277-0908-445e-a32a-79cfc1838222",
      "cw-394c6f92-ce17-45eb-9741-70ac77b67bc0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-d965dc3c-2225-42bb-993d-ab930062dabf",
    "manifestId": "https://zenodo.org/api/iiif/record:2720011/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-394c6f92-ce17-45eb-9741-70ac77b67bc0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}