Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2694229/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2694229/canvas/BR0000012544257.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f57bde44-dcd1-4515-a629-6263af65ddc4",
      "cw-2fb6a21b-53d1-478a-868d-0cb2120f4941"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-b40e307d-cc48-4797-bcf9-c6675d614aa6",
    "manifestId": "https://zenodo.org/api/iiif/record:2694229/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2fb6a21b-53d1-478a-868d-0cb2120f4941",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}