Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/dvDmqDA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e44b384c-f545-4740-b501-7b938ef6e6b3",
      "cw-65ccd065-dae0-466d-98bd-fa937051cb7d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ec7f75ee-86cf-453a-98fa-7bbf15be2fe0",
    "manifestId": "https://dam.iuav.it/iuav/containers/dvDmqDA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-65ccd065-dae0-466d-98bd-fa937051cb7d"
  }
}