Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/wQgyVZY/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://antenati.cultura.gov.it/ark:/12657/an_ua35027999/LqGVOjq",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-53a8114a-12fe-4c10-83cd-066f3e25568e",
      "cw-3fa4120d-eb97-4da6-9642-648b149a406c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e516888f-74f5-4173-a481-a4fdb455abc7",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/wQgyVZY/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3fa4120d-eb97-4da6-9642-648b149a406c",
    "imageToolsEnabled": true,
    "imageToolsOpen": true,
    "visibleCanvases": []
  }
}