Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:237753/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:237753/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b655fa35-52c7-4840-baf7-857847d39c66",
      "cw-b0b81d05-5878-4e7d-b1bf-af8a8302578f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-4e1e80f7-6e0e-41b5-838a-bed003f27176",
    "manifestId": "https://zenodo.org/api/iiif/record:237753/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b0b81d05-5878-4e7d-b1bf-af8a8302578f",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}