Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3489992/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3489992/canvas/big_344900.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9acd4000-a8c8-44fe-91fd-2b50abd52257",
      "cw-8596675e-bd7d-433e-90bf-1e864511e864"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1f29ea94-b1c2-4002-be36-1a6a0cb7be30",
    "manifestId": "https://zenodo.org/api/iiif/record:3489992/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8596675e-bd7d-433e-90bf-1e864511e864",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}