Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2935991/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2935991/canvas/BR0000011474425.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1f4b2352-169f-438c-91a5-80c938e4875b",
      "cw-f3b74282-267b-482b-ba89-16887ab80bb7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1b613a46-15a0-490b-bb67-55d8d94f256d",
    "manifestId": "https://zenodo.org/api/iiif/record:2935991/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f3b74282-267b-482b-ba89-16887ab80bb7",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}