Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eWn59lA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-de036e9e-0843-4a87-b836-19c84b7744af",
      "cw-bbfa96e5-70b2-4cca-aadd-c7136b877682"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-abd6b24b-37c4-4df4-899b-e80e838168e7",
    "manifestId": "https://dam.iuav.it/iuav/containers/eWn59lA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bbfa96e5-70b2-4cca-aadd-c7136b877682"
  }
}