Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4608974/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4608974/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6d03d3b5-864c-4ae5-974e-01789d390f6e",
      "cw-097a3f82-2acc-4386-ab63-5555ad5cbe54"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-9101828d-9f73-415d-bf0d-48ab8e8a2888",
    "manifestId": "https://zenodo.org/api/iiif/record:4608974/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-097a3f82-2acc-4386-ab63-5555ad5cbe54",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}