Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/wAry06v/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4f4630f9-54e1-414a-9084-c7df5f651ab7",
      "cw-70f2c1fe-c445-47a2-abfe-cf3517d80b89"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c5d1c3e8-113b-40c9-bc8f-8c33e3cc17ca",
    "manifestId": "https://dam.iuav.it/iuav/containers/wAry06v/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-70f2c1fe-c445-47a2-abfe-cf3517d80b89"
  }
}