Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/LPDd3Wm/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-923abd52-83a2-49f0-8b0c-a1e1f8d5d041",
      "cw-810ac7bf-1709-4be6-8373-9b4861d0dcf2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "LPDd3Wm",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/LPDd3Wm/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-810ac7bf-1709-4be6-8373-9b4861d0dcf2",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}