Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AMjJdoe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c5600c76-74e1-4723-bb62-512a6365bbaa",
      "cw-b705270e-b081-4631-817e-33b0a282d9cc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-02077816-12e8-4d60-b57f-c26320bf6489",
    "manifestId": "https://dam.iuav.it/iuav/containers/AMjJdoe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b705270e-b081-4631-817e-33b0a282d9cc"
  }
}