Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/dZY3qWA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-428c3505-6114-4604-8d30-099ea033008c",
      "cw-b0fff6b6-ec07-40b5-97fe-c7a4ebbdb17f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bb39b493-e8f2-40e5-8317-b585118885bd",
    "manifestId": "https://dam.iuav.it/iuav/containers/dZY3qWA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b0fff6b6-ec07-40b5-97fe-c7a4ebbdb17f"
  }
}