Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e0BLMVv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2609acac-5f63-4bdf-9033-524b891fffe8",
      "cw-b913d70c-c941-481d-a41b-f4882a506bf8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-02f71169-d927-4915-b796-6bd920072aa7",
    "manifestId": "https://dam.iuav.it/iuav/containers/e0BLMVv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b913d70c-c941-481d-a41b-f4882a506bf8"
  }
}