Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/adgpmOB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-63eb52a1-8efe-41d1-9100-48d6b512de24",
      "cw-68266d3e-e4e8-4154-a96c-5ab2d23ee567"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1c500c8f-354d-465e-9754-16f8181c0f03",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/adgpmOB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-68266d3e-e4e8-4154-a96c-5ab2d23ee567"
  }
}