Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AVWzNxe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6886e573-e3ae-41bc-8441-3e9534b92597",
      "cw-b3f2e268-5330-45c2-9e7c-12a01573d587"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-83ab752a-932b-49d8-aec4-9fec9e4c8d25",
    "manifestId": "https://dam.iuav.it/iuav/containers/AVWzNxe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b3f2e268-5330-45c2-9e7c-12a01573d587"
  }
}