Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e16mDxZ/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e1c573f7-1b04-4815-8493-37797203eb39",
      "cw-ef277ba4-0dcf-4d67-b81f-9c8c0659f513"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f3f2ef21-e389-4009-8a53-661da67ef8e5",
    "manifestId": "https://dam.iuav.it/iuav/containers/e16mDxZ/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ef277ba4-0dcf-4d67-b81f-9c8c0659f513"
  }
}