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-36e63a87-7300-4d47-96b1-4f6b70bbf3f6",
      "cw-b7f87d5d-fe19-4e01-8938-65175b9828a6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a9b70d46-1e07-43ed-9b1b-e342d86a5ed8",
    "manifestId": "https://dam.iuav.it/iuav/containers/e0DKKje/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b7f87d5d-fe19-4e01-8938-65175b9828a6"
  }
}