Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/50qRD4B/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b685c862-798e-4665-9507-045bcb319faa",
      "cw-9361a7b8-9879-456b-8ce4-039ff693ab11"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d7909cde-f730-4d45-a014-9eac0876c8c4",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/50qRD4B/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9361a7b8-9879-456b-8ce4-039ff693ab11"
  }
}