Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/BKkjXgB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6884deb6-8e55-4ef9-8bed-468dc58ca38f",
      "cw-39e61a0c-1831-48e3-aba6-9c13e0f8bcef"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-44d79826-cdc1-4a6e-808e-da7b2adbfd94",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/BKkjXgB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-39e61a0c-1831-48e3-aba6-9c13e0f8bcef"
  }
}