Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/a2X7JQ5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6e769b27-e13a-49a5-8033-768f2ab0abfc",
      "cw-65bb6add-7413-4bd5-b636-e733ce1b3ae2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d6fa12c6-6c81-4fa4-a416-4b254f20e4cc",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/a2X7JQ5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-65bb6add-7413-4bd5-b636-e733ce1b3ae2"
  }
}