Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4009969/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4009969/canvas/big_444423.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-34153037-4b38-425e-9cef-ce992fb98ece",
      "cw-f912ec41-ad32-43cd-8910-7052a6e61040"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-0e0d2eaf-93ec-4871-92d0-6bf12a6833b2",
    "manifestId": "https://zenodo.org/api/iiif/record:4009969/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f912ec41-ad32-43cd-8910-7052a6e61040",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}