Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/wbXAr2d/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1dc227e1-3d5b-445e-b017-4b943e3bcf23",
      "cw-b099f187-5b7f-4fb3-88d8-a1bf6d7f9138"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "wbXAr2d",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/wbXAr2d/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b099f187-5b7f-4fb3-88d8-a1bf6d7f9138",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}