Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5439177/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5439177/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-448dd4a1-c725-47af-8259-922db0c5b902",
      "cw-4144a2c1-4cf1-4906-9821-d61af45af13f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1004846a-80b0-4b2e-a7b9-49862b29af0a",
    "manifestId": "https://zenodo.org/api/iiif/record:5439177/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4144a2c1-4cf1-4906-9821-d61af45af13f",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}