Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5250775/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5250775/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bef52148-1f1a-4950-a890-ffdee8fdc9be",
      "cw-51a12b22-0ef9-4cae-91ce-56c788703d2d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-559710d5-a363-4856-8729-c61690399435",
    "manifestId": "https://zenodo.org/api/iiif/record:5250775/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-51a12b22-0ef9-4cae-91ce-56c788703d2d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}