Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-girolamini.cultura.gov.it/girolamini/containers/b8Ge7Ea/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3a61dec4-c394-4ab3-bfd4-872275a2a1b8",
      "cw-95bdd141-a369-4c8e-ae40-cd343e0abce1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fe825c43-bee0-4eec-87cc-aef1ebe48d72",
    "manifestId": "https://dam-girolamini.cultura.gov.it/girolamini/containers/b8Ge7Ea/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-95bdd141-a369-4c8e-ae40-cd343e0abce1"
  }
}