Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4947352/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4947352/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bb02af53-0d92-4962-9ed6-9aae3e9ce849",
      "cw-68714324-00d9-4935-8df7-a5843106bf76"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-0e161ac1-718f-4ede-97a6-092dab1e78b4",
    "manifestId": "https://zenodo.org/api/iiif/record:4947352/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-68714324-00d9-4935-8df7-a5843106bf76",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}