Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5721677/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5721677/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-189dd303-9ac4-4fe1-8c01-87445477c76b",
      "cw-d7fd7d7b-8986-46da-96ec-13b6027527e1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-7e0d8042-02f1-482a-9064-0cf34cbf97b9",
    "manifestId": "https://zenodo.org/api/iiif/record:5721677/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d7fd7d7b-8986-46da-96ec-13b6027527e1",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}