Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/51YVmp5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0efa242d-762e-4be5-a660-9d43c371c3b1",
      "cw-3706cbd2-c196-4382-891d-c9690595d289"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-414fdcf9-cc22-4c72-94c7-68b8495dd430",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/51YVmp5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3706cbd2-c196-4382-891d-c9690595d289"
  }
}