Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2540939/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2540939/canvas/64I9.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cde91e0e-b968-4060-96b0-effff4ca1e24",
      "cw-f8199d9f-e49f-4a79-b86d-334ae8393069"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-84e3ad8a-ba57-4a7a-a6fd-035bed2821ef",
    "manifestId": "https://zenodo.org/api/iiif/record:2540939/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f8199d9f-e49f-4a79-b86d-334ae8393069",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}