Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/LPx86JB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0425a308-1e53-494b-8102-fb0339a3599b",
      "cw-2be0b1ff-c637-42e6-b9bd-c89c6241b4fd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "LPx86JB",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/LPx86JB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2be0b1ff-c637-42e6-b9bd-c89c6241b4fd",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}