Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:6448718/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:6448718/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ed13cd49-7d3b-4a9b-9309-c2a27ae7abc0",
      "cw-75b849fc-3779-4483-99d9-fc7d3b58499d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-27542a51-125d-4e8e-9c82-c916f9daf9e9",
    "manifestId": "https://zenodo.org/api/iiif/record:6448718/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-75b849fc-3779-4483-99d9-fc7d3b58499d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}