Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/aMrvDkb/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-eaf78980-d82c-47a8-9931-7368a1dd6dca",
      "cw-7bdf72a6-79f0-47ca-84d7-2fa0374a808d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-638c2437-30df-43e5-84c6-4472bc087f47",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/aMrvDkb/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7bdf72a6-79f0-47ca-84d7-2fa0374a808d"
  }
}