Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/LDJE8yl/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c4c6eeeb-a935-48fc-b805-ac90f3d53f6b",
      "cw-4a047ce2-b35f-47e7-99d1-cef93db22d5c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "LDJE8yl",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/LDJE8yl/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4a047ce2-b35f-47e7-99d1-cef93db22d5c",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}