Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AEPBNMv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f5c26e12-b86a-4c5f-b117-818425a26b27",
      "cw-5acec65e-632b-49d2-a8b8-ba4252f890dd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f8d42167-5bec-4bda-92ea-469c572ecb5e",
    "manifestId": "https://dam.iuav.it/iuav/containers/AEPBNMv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5acec65e-632b-49d2-a8b8-ba4252f890dd"
  }
}