Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3623997/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3623997/canvas/TOLI-26317-BET-02-C19-1720.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-efe1211d-b52b-4cbd-ac57-73e715c7b635",
      "cw-81b9dd3f-12de-480c-af3b-28855c98317a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-d71d3f49-648a-441c-b4bd-354457c0e1d6",
    "manifestId": "https://zenodo.org/api/iiif/record:3623997/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-81b9dd3f-12de-480c-af3b-28855c98317a",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}