Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AzJ03wA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c58f190a-702d-4324-ac8d-9e04f1e9eb76",
      "cw-d8eb9ecc-fdd1-4cbc-a27e-8e5268e44cd6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bd09b99c-a796-4012-815e-165543fed98d",
    "manifestId": "https://dam.iuav.it/iuav/containers/AzJ03wA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d8eb9ecc-fdd1-4cbc-a27e-8e5268e44cd6"
  }
}