Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3047975/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3047975/canvas/BR0000021118814.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-78a69991-ea2e-4413-8433-17c58784224f",
      "cw-23d642ae-278e-474a-a3e9-067c120804fe"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-e1e71ab2-289e-444d-b612-09d40073a9a5",
    "manifestId": "https://zenodo.org/api/iiif/record:3047975/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-23d642ae-278e-474a-a3e9-067c120804fe",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}