Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AJKqmxe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cb34643a-ba60-4660-b2e2-5d12501fdf13",
      "cw-7348515a-24f8-477f-93b7-1ebca1e58b75"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2f013d87-2736-4888-b1c3-8f16b249d1c6",
    "manifestId": "https://dam.iuav.it/iuav/containers/AJKqmxe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7348515a-24f8-477f-93b7-1ebca1e58b75"
  }
}