Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/W53Oy85/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-672e870b-271e-4905-89a8-577c44bfe44d",
      "cw-bf4cfad1-0e3f-4c63-9ef6-b371db808f4d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-37c92e21-486a-4e8b-bc36-9cbd57ee48fa",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/W53Oy85/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bf4cfad1-0e3f-4c63-9ef6-b371db808f4d"
  }
}