Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/Lvxj1je/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-71bf1054-403a-4893-be3a-69217b2ae6a3",
      "cw-f06d49cc-0448-4b03-9290-70b59bcd5780"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-52882028-15d8-49fe-bff4-812408634d40",
    "manifestId": "https://dam.iuav.it/iuav/containers/Lvxj1je/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f06d49cc-0448-4b03-9290-70b59bcd5780"
  }
}