Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5r7LOLB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-768d95d6-4205-49e9-ae4a-b449f58a9da1",
      "cw-a89c8d6d-9547-47f4-bd87-76786fd9b89b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-687caac8-3924-4386-b002-e7dc82832f43",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5r7LOLB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a89c8d6d-9547-47f4-bd87-76786fd9b89b"
  }
}