Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5kM9zna/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-762eb1b7-1489-49f7-a897-edb54aa1d007",
      "cw-4013f239-bba2-418f-a30c-c512dad64699"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ea49f84c-c6a7-4511-9ee7-e73256878302",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5kM9zna/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4013f239-bba2-418f-a30c-c512dad64699"
  }
}