Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e0BPBpv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8a85b611-35cc-4576-8fec-51809a32a81b",
      "cw-202699b3-3860-4638-9ec3-3f951dca7202"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9bb0f8f7-6248-4071-9c77-f4f3dc5c3f31",
    "manifestId": "https://dam.iuav.it/iuav/containers/e0BPBpv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-202699b3-3860-4638-9ec3-3f951dca7202"
  }
}