Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/Z8110Dv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-abb1d7ba-dd7c-41ea-a400-a562d8643617",
      "cw-0ddcbe87-7006-4bc0-bae3-d80d5a91200b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8194ae8d-7490-4d03-a7c6-2b585f5c6c10",
    "manifestId": "https://dam.iuav.it/iuav/containers/Z8110Dv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0ddcbe87-7006-4bc0-bae3-d80d5a91200b"
  }
}