Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3993530/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3993530/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4d0fe9eb-d77c-4536-b231-2273f46a8c6c",
      "cw-d9e3e2d2-71a0-446e-a5e6-0fc195d4df6d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-a3748085-af1c-4614-9c42-e3233d497940",
    "manifestId": "https://zenodo.org/api/iiif/record:3993530/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d9e3e2d2-71a0-446e-a5e6-0fc195d4df6d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}