Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5p8Wjy5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-50e0fff8-967f-44c5-a3c1-0727360d91dc",
      "cw-9fc318c6-c895-45ed-a8d5-80d8b97b1bba"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0a287902-0b48-4193-b459-7d0a55a02752",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5p8Wjy5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9fc318c6-c895-45ed-a8d5-80d8b97b1bba"
  }
}