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-96468b53-c2bf-47c5-98e4-74f727c45ec7",
      "cw-6ad0ea41-d554-44a5-b319-ef3d2560cbc0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3366ea16-749a-49c9-968a-8db9bba8a1a0",
    "manifestId": "https://dam.iuav.it/iuav/containers/AzJ03wA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6ad0ea41-d554-44a5-b319-ef3d2560cbc0"
  }
}