Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:1486888/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:1486888/canvas/L.2116756_sel.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0895f038-e760-460b-9076-692fb76ee1a2",
      "cw-162c8e2a-5601-4aac-a7b9-988226e758b0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-26cd5174-7e94-48c0-9da5-2ef5080dabdf",
    "manifestId": "https://zenodo.org/api/iiif/record:1486888/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-162c8e2a-5601-4aac-a7b9-988226e758b0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}