Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/WvdYYmA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fd2b3b82-d3c1-44be-a0c0-a45d73508ee6",
      "cw-0ec3b24d-898b-4c5b-83d4-c7d2cb768e2d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04fd5e9b-c6cc-4176-aed0-8bf74a58af8c",
    "manifestId": "https://dam.iuav.it/iuav/containers/WvdYYmA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0ec3b24d-898b-4c5b-83d4-c7d2cb768e2d"
  }
}