Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AMjqNJe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-73dce80d-64b6-4ff2-9937-0330466ced19",
      "cw-0ec0c5c1-d387-4005-b0df-74cd4fee874a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d6425275-a9a6-429a-a376-a27e68939667",
    "manifestId": "https://dam.iuav.it/iuav/containers/AMjqNJe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0ec0c5c1-d387-4005-b0df-74cd4fee874a"
  }
}