Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2691277/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2691277/canvas/BR0000006897949.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-65ab9bde-f63c-4148-ab04-025b3afd4b42",
      "cw-d4d8bfde-8415-45cc-8f9a-53b2bf389e84"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-62bb7295-2f8e-4b69-a0f6-445d1ae88730",
    "manifestId": "https://zenodo.org/api/iiif/record:2691277/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d4d8bfde-8415-45cc-8f9a-53b2bf389e84",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}