Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/wArODGe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-63e9721d-23d0-4b11-9d2b-46c9ed8b9d95",
      "cw-032b0e6c-71bc-4477-848d-f855acd2da82"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3a27f6f8-a6be-43d1-b1a4-c7b6179fd709",
    "manifestId": "https://dam.iuav.it/iuav/containers/wArODGe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-032b0e6c-71bc-4477-848d-f855acd2da82"
  }
}