Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/Byeoo7B/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a5d37a1c-2e76-48a5-bb08-58eee2d73559",
      "cw-98cd5592-fac0-4690-ab90-de613e110d78"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fb903d3f-b061-48a7-a9ec-a23044efa9e4",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/Byeoo7B/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-98cd5592-fac0-4690-ab90-de613e110d78"
  }
}