Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/ax0O6xa/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-723da2fc-7686-4f1c-96d9-5abf5ad3e344",
      "cw-709f4aac-69f1-4101-b45c-8aeac5632315"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a76bf319-c955-42fb-9a07-338deac2ff3b",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/ax0O6xa/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-709f4aac-69f1-4101-b45c-8aeac5632315"
  }
}