Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/dAMqkRA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-07cc03bf-4d66-4a3b-a850-cfcc29d0e45c",
      "cw-ad8d8564-6fe6-4b2b-9279-cad331b855fa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4002b80f-161f-4eeb-8a21-f6f4c483781b",
    "manifestId": "https://dam.iuav.it/iuav/containers/dAMqkRA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ad8d8564-6fe6-4b2b-9279-cad331b855fa"
  }
}