Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2963958/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2963958/canvas/BR0000010441442.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f1ca5bc0-89e3-42be-aff1-31c0922dc11a",
      "cw-c151052e-d7e5-4458-ab1d-1b05b16ca55e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-f6cea724-1f4d-4dc5-9d30-e6c79a0a56b7",
    "manifestId": "https://zenodo.org/api/iiif/record:2963958/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c151052e-d7e5-4458-ab1d-1b05b16ca55e",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}