Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/bXmO3L5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9f29b024-ad37-4897-be0c-a583409c3864",
      "cw-bfc232f3-8ae0-4ae6-9300-99287482090b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ab9ed9a6-07a1-4c6d-a32c-6a5518e31f9d",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/bXmO3L5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bfc232f3-8ae0-4ae6-9300-99287482090b"
  }
}