Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AVWQ95e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-57e0bb4b-5005-4de3-af04-3076b4b0aec4",
      "cw-05237d08-ac9f-4cf9-abbc-e48fa56c0058"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e0c23c52-fe6e-47d6-baff-00c46586b714",
    "manifestId": "https://dam.iuav.it/iuav/containers/AVWQ95e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-05237d08-ac9f-4cf9-abbc-e48fa56c0058"
  }
}