Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eg8n32Z/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a2c535d0-6933-49ef-a2eb-6337732882fc",
      "cw-1b2027c1-a6d6-4888-b522-aba9db62dc16"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-43e16f0a-f3c8-4227-860e-08e56b4801fd",
    "manifestId": "https://dam.iuav.it/iuav/containers/eg8n32Z/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b2027c1-a6d6-4888-b522-aba9db62dc16"
  }
}