Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/XeWqP0v/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-64a2d645-bc0f-4814-b762-65f91bab14dd",
      "cw-dbfc0343-f2e5-424d-b98d-0ec48b01a826"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-441fe156-619a-4829-98bd-56faf0a29516",
    "manifestId": "https://dam.iuav.it/iuav/containers/XeWqP0v/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dbfc0343-f2e5-424d-b98d-0ec48b01a826"
  }
}