Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/DvQYKWv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ff4bc4f1-e388-40ed-8a35-8da0d1d0b46a",
      "cw-07d1e8d4-50c7-423a-9a35-b342bc1b7287"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-06805352-9304-4fc7-9c37-9247755528bb",
    "manifestId": "https://dam.iuav.it/iuav/containers/DvQYKWv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-07d1e8d4-50c7-423a-9a35-b342bc1b7287"
  }
}