Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eyKqzDv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e937ed0a-772c-44c1-9670-8ed5eb616380",
      "cw-bc16b607-6ac4-4090-b406-800907521c9f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2a4d8507-a71c-4d71-a609-eed972b40ee0",
    "manifestId": "https://dam.iuav.it/iuav/containers/eyKqzDv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bc16b607-6ac4-4090-b406-800907521c9f"
  }
}