Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/LyR1q1D/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3b24972e-c4d8-420d-b539-7c2ddba5739c",
      "cw-51cfc7f4-ba56-41ce-98f5-3223db061408"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "LyR1q1D",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/LyR1q1D/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-51cfc7f4-ba56-41ce-98f5-3223db061408",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}