Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/wWOqDDd/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://antenati.cultura.gov.it/ark:/12657/an_ua35030444/0nW8yNe",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8f0d9b8f-8050-4c50-b123-25f70db2f17b",
      "cw-ac57c92d-4d70-42fd-8faf-9486913316db"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-643ad930-7214-4447-b91f-7bd446fc0b19",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/wWOqDDd/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ac57c92d-4d70-42fd-8faf-9486913316db",
    "imageToolsEnabled": true,
    "imageToolsOpen": true,
    "visibleCanvases": []
  }
}