Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/9AJb62A/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f073153f-4530-4160-b014-14cde9279e9b",
      "cw-c072167f-3306-4ae6-badc-bb1cdb96fe73"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e63b3a19-3768-4dbe-a573-ea2b84420b3e",
    "manifestId": "https://dam.iuav.it/iuav/containers/9AJb62A/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c072167f-3306-4ae6-badc-bb1cdb96fe73"
  }
}