Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AMjLqRe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-da4867a7-215e-4f59-b8d6-5012f263cb3f",
      "cw-529e79c0-0907-45d0-b1a8-71cb62deec88"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2ac273c1-1a68-429c-9d77-3f3218408371",
    "manifestId": "https://dam.iuav.it/iuav/containers/AMjLqRe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-529e79c0-0907-45d0-b1a8-71cb62deec88"
  }
}