Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/Ye0Lxpe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-39a03c7a-da2a-4ad2-911b-61daab72133c",
      "cw-d701e610-0720-4c55-90ce-853a1fc74b9d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a56a656e-eead-44c9-8b46-bf1fcc59f8f5",
    "manifestId": "https://dam.iuav.it/iuav/containers/Ye0Lxpe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d701e610-0720-4c55-90ce-853a1fc74b9d"
  }
}