Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3486942/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3486942/canvas/big_329903.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-540a7eee-05f3-4531-861d-8f591cc0db53",
      "cw-766e3fff-2847-46d0-a9a2-172ba2c302cf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-49d89625-7f5b-437d-8a2d-0f169f784da8",
    "manifestId": "https://zenodo.org/api/iiif/record:3486942/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-766e3fff-2847-46d0-a9a2-172ba2c302cf",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}