Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3227710/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3227710/canvas/big_302255.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8798c905-5fdb-477a-84d5-ff92ec4cafde",
      "cw-43cf7044-3ac6-4466-9f8d-dcc5d5999ea3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-3c7b70ed-a5d1-4ec4-8411-4029a0cedf8e",
    "manifestId": "https://zenodo.org/api/iiif/record:3227710/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-43cf7044-3ac6-4466-9f8d-dcc5d5999ea3",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}