Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2950947/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2950947/canvas/BR0000010012574.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ccc4228a-2297-4ec3-8282-4da5b6ee3795",
      "cw-402a74ed-430c-48d1-b31d-6eb90bbe4104"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-e7b1619d-8497-42ea-b343-73dafd99c4a0",
    "manifestId": "https://zenodo.org/api/iiif/record:2950947/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-402a74ed-430c-48d1-b31d-6eb90bbe4104",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}