Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/wAkR0kv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0adc40e8-53f1-4eef-87c8-522cdd86ab5d",
      "cw-b96ab8eb-0c2b-4166-9fe5-4f8032689aea"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-59dc2dc8-8319-40f3-8495-d3dfe35cc7f9",
    "manifestId": "https://dam.iuav.it/iuav/containers/wAkR0kv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b96ab8eb-0c2b-4166-9fe5-4f8032689aea"
  }
}