Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/aGGMEPa/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d02760d7-5194-48a9-a275-dda42dc5f637",
      "cw-24683fc5-82ad-44f6-86c6-67fe013c3140"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3a1892b3-39a8-4edb-b22f-6f4ee6561eef",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/aGGMEPa/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-24683fc5-82ad-44f6-86c6-67fe013c3140"
  }
}