Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AJKGwke/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ede0839b-f266-4943-9979-b00e05c6a8cd",
      "cw-7a62be02-687f-4e1f-9848-fe7d264da460"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f14ceabc-76f7-4ec0-97b9-7fae80b7fc30",
    "manifestId": "https://dam.iuav.it/iuav/containers/AJKGwke/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7a62be02-687f-4e1f-9848-fe7d264da460"
  }
}