Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/50qk73B/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f4a1cea5-b9e4-49c6-bded-e08256b374a1",
      "cw-df3fc134-af01-4b84-88f7-3c58dcfd240b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ce792f62-cc3d-443a-a1a6-631ec8a66ffa",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/50qk73B/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-df3fc134-af01-4b84-88f7-3c58dcfd240b"
  }
}