Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:1223397/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:1223397/canvas/big_187445.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b631fc08-33b2-487e-9298-cf7ef149af16",
      "cw-ea760082-e882-4214-a6bc-b4372b080d9f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-5f29b784-1623-4dc4-8ad5-606db75a5a13",
    "manifestId": "https://zenodo.org/api/iiif/record:1223397/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ea760082-e882-4214-a6bc-b4372b080d9f",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}