Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/rvG6lYZ/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-297eb498-a184-4718-a3ba-45cc34d45c69",
      "cw-be9589be-7e84-4df1-8892-dfa8e3509b0d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-94e2cf09-35ed-4522-83be-4ea165c00966",
    "manifestId": "https://dam.iuav.it/iuav/containers/rvG6lYZ/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-be9589be-7e84-4df1-8892-dfa8e3509b0d"
  }
}