Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:6455274/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:6455274/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dca4f9fc-e339-47e0-a5d3-de6bc9a9c024",
      "cw-c0780095-6fd9-40f5-a02b-2fc1d427daf3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-9eb03af1-9e8b-49d6-bc63-f35fdff63262",
    "manifestId": "https://zenodo.org/api/iiif/record:6455274/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c0780095-6fd9-40f5-a02b-2fc1d427daf3",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}