Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5r7LjlB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-720fc0b6-2f4c-45a5-a8e4-64b43ad09c63",
      "cw-995b0ebe-0b35-468c-9780-db8d75b893aa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a0b9dc2f-7530-4853-b24d-66625a5d7560",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5r7LjlB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-995b0ebe-0b35-468c-9780-db8d75b893aa"
  }
}