Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4927916/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4927916/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-29bc092d-b9eb-456b-ad4c-09ccaf1bedf7",
      "cw-47d397e2-2fc0-46f2-91a3-7321a354f89e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-7ce2749b-4f7d-4bc7-99cc-2712fd04c0f6",
    "manifestId": "https://zenodo.org/api/iiif/record:4927916/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-47d397e2-2fc0-46f2-91a3-7321a354f89e",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}