Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/agYgmd5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6f12d554-2bce-497d-a278-0462036923f8",
      "cw-64746773-7601-4665-aabc-81c25ba6cc86"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-14ba7806-2f6a-4089-bb85-5fb32d6f5340",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/agYgmd5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-64746773-7601-4665-aabc-81c25ba6cc86"
  }
}