Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AEPDNwv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2217800a-9ae0-474d-bc31-e756b57ea348",
      "cw-993b1cbf-c0bc-4ce8-ab8c-f127fd1b5b73"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4f0f957f-2827-4acd-ab8c-594f02f5f6d5",
    "manifestId": "https://dam.iuav.it/iuav/containers/AEPDNwv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-993b1cbf-c0bc-4ce8-ab8c-f127fd1b5b73"
  }
}