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_all.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-33f1b908-dcb0-4c61-abd4-7e69e2976a44",
      "cw-528558d6-fbe6-42a3-9d0c-c1321b49dc27"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-c23dc746-784b-4416-9a5d-cc7c74962b25",
    "manifestId": "https://zenodo.org/api/iiif/record:1486888/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-528558d6-fbe6-42a3-9d0c-c1321b49dc27",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}