Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5Nqvm6b/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f8589aba-0014-475b-855c-24e699b88406",
      "cw-9e719ffd-d54b-4bb8-8124-468082270a54"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e9bd58a-f4f8-4564-b108-6be550040a4a",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5Nqvm6b/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9e719ffd-d54b-4bb8-8124-468082270a54"
  }
}