Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:6876833/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:6876833/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2466f734-fe8a-4a41-856e-5efb3cd89971",
      "cw-a96bd655-0b39-4941-9be4-a9df88b78894"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-3522d572-9f5d-44ce-bf66-9ad0430e6b89",
    "manifestId": "https://zenodo.org/api/iiif/record:6876833/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a96bd655-0b39-4941-9be4-a9df88b78894",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}