Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5erzvWB/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f2e6791d-8356-42a0-b43d-c31b8b81dfae",
      "cw-4c0214d4-7f25-4b3d-916a-32ad92f49805"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6a5a9537-9693-4fa5-a8c6-c87f27da8c66",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/5erzvWB/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4c0214d4-7f25-4b3d-916a-32ad92f49805"
  }
}