Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/l5ZjOM5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-390de32b-42af-4331-b951-ccbca05379d8",
      "cw-ec958923-320f-41de-97a9-1c60d2360988"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a4a2690f-d8e8-4fa7-999c-9590df281fc8",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/l5ZjOM5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ec958923-320f-41de-97a9-1c60d2360988"
  }
}