Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5kMMJ3a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6115e686-c585-4a93-a9be-56cf61bd3528",
      "cw-7bc53f24-42a4-4218-aa87-1afa6e934641"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cb70650d-37c4-42ff-8e0b-20acf7c4e616",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5kMMJ3a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7bc53f24-42a4-4218-aa87-1afa6e934641"
  }
}