Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2967874/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2967874/canvas/BR0000009396760.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-18a330aa-e440-4d62-a0f8-4e3bfe770979",
      "cw-99e70d09-ea3d-4340-80ce-1c4292ef0315"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1f7aa5b2-d75d-4ca9-bbd3-8991f9172952",
    "manifestId": "https://zenodo.org/api/iiif/record:2967874/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-99e70d09-ea3d-4340-80ce-1c4292ef0315",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}