Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2965956/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2965956/canvas/BR0000011570127.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5a5f467a-7825-44dd-8fda-031ead91ac0c",
      "cw-1b97fdcc-d7d2-4c79-a7fd-ba218f92679f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-e80a4e8b-c16f-4ebd-ae16-648c8da3a644",
    "manifestId": "https://zenodo.org/api/iiif/record:2965956/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b97fdcc-d7d2-4c79-a7fd-ba218f92679f",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}