Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e0BBOmv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b9e1a5d9-a9b2-48fa-a652-710bee0f07ce",
      "cw-596942ea-dbf6-495e-8325-bde24500f28e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-beebe653-cc22-4941-8f58-eaa75d0fbe3c",
    "manifestId": "https://dam.iuav.it/iuav/containers/e0BBOmv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-596942ea-dbf6-495e-8325-bde24500f28e"
  }
}