Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/9AJwRae/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2544884b-9339-46f4-9ba2-b1d9b4e31e02",
      "cw-dbec785d-0b2e-4fd6-a7ed-3d96490ba82b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f0344329-a199-4a89-bd2d-fb80646072a0",
    "manifestId": "https://dam.iuav.it/iuav/containers/9AJwRae/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dbec785d-0b2e-4fd6-a7ed-3d96490ba82b"
  }
}