Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4636844/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4636844/canvas/ont_sequencing.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5175faf3-d18f-4288-b151-b6c99bd4cea3",
      "cw-98807b1a-caa9-46d6-8f64-90e5429f39db"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-dc957525-01cf-4f7b-8151-caade02f4b62",
    "manifestId": "https://zenodo.org/api/iiif/record:4636844/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-98807b1a-caa9-46d6-8f64-90e5429f39db",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}