Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/bX2YAVB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d7c9f932-e768-4504-ac7e-044cd8237da5",
      "cw-df729709-03b9-4b22-a857-50fce82dd627"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b84ef11b-dcfe-4179-a905-70cc116b672a",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/bX2YAVB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-df729709-03b9-4b22-a857-50fce82dd627"
  }
}