Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e0DKKje/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0977fa89-8e79-482d-9152-aa250aa719e9",
      "cw-7211d984-7e95-4856-b832-36b85d1c96ab"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4cf36767-1cc9-474a-9352-0bdcd4a54138",
    "manifestId": "https://dam.iuav.it/iuav/containers/e0DKKje/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7211d984-7e95-4856-b832-36b85d1c96ab"
  }
}