Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AMjJQ0e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-48584a44-7696-4f6f-9467-e90293303c1d",
      "cw-a58bd973-8c40-4422-9466-707700aa605f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1b5a96bc-2127-4831-bfb1-648bac2d39f1",
    "manifestId": "https://dam.iuav.it/iuav/containers/AMjJQ0e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a58bd973-8c40-4422-9466-707700aa605f"
  }
}