Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5251300/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5251300/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2baeae64-ac6f-4f8b-a93b-c771570c5260",
      "cw-d2f1535c-d87b-4bda-8517-8b473fa0255e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1a442bdf-4a6c-4366-b65f-fcb0a4265815",
    "manifestId": "https://zenodo.org/api/iiif/record:5251300/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d2f1535c-d87b-4bda-8517-8b473fa0255e",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}