Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/53771A5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2db9d04b-6bd2-43e4-9628-7ffce383165d",
      "cw-e92f2e03-7d21-4b1d-9f08-6c7ab2cc77af"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6e6199aa-d0ad-4e95-b846-d6442870d678",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/53771A5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e92f2e03-7d21-4b1d-9f08-6c7ab2cc77af"
  }
}