Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2967446/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2967446/canvas/BR0000010218730.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1b711694-6d5a-40ed-b323-a7d8e42722cb",
      "cw-5475441d-a35e-47b7-ab6f-232b28d1853d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-7c87fde4-8cea-4df9-b629-25bf70ba47ae",
    "manifestId": "https://zenodo.org/api/iiif/record:2967446/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5475441d-a35e-47b7-ab6f-232b28d1853d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}