Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3469305/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3469305/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-061236ac-c450-4c84-8397-08de43e639e3",
      "cw-1c198f2a-5d56-475e-a29e-9a211dfbcc68"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-448808e3-d2cb-40de-b3ca-4d31f0e81ff2",
    "manifestId": "https://zenodo.org/api/iiif/record:3469305/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1c198f2a-5d56-475e-a29e-9a211dfbcc68",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}