Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/wAkRn8v/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-59e2abea-b166-4558-8e2f-ff0cccc7088d",
      "cw-a6074d0d-cc63-4db9-baa1-9107274c40f5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7ca5c73c-cf13-412a-a650-8e9586716f16",
    "manifestId": "https://dam.iuav.it/iuav/containers/wAkRn8v/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a6074d0d-cc63-4db9-baa1-9107274c40f5"
  }
}