Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:495064/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:495064/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d0f5cf6c-62c9-4cf9-8715-a4e059945d9c",
      "cw-ae8dcdb7-afca-4d00-a108-357e930e8f54"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-206977ff-9adb-4408-adcc-12e6a271a43a",
    "manifestId": "https://zenodo.org/api/iiif/record:495064/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ae8dcdb7-afca-4d00-a108-357e930e8f54",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}