Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5294228/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5294228/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-71d393a9-ced4-4f62-b76e-997eab485973",
      "cw-7baf40bc-e7ba-41b2-b470-ab1bdf6bc013"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-854e01ae-0dab-468a-8ff4-58f0593079a0",
    "manifestId": "https://zenodo.org/api/iiif/record:5294228/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7baf40bc-e7ba-41b2-b470-ab1bdf6bc013",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}