Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/bYx167a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-707756ab-6899-463c-af2e-d0708da794b0",
      "cw-082f357a-472b-47a8-803c-f05d8b9a6aa2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-48591717-86db-4b52-a8cf-69f63d4de24c",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/bYx167a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-082f357a-472b-47a8-803c-f05d8b9a6aa2"
  }
}