Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AB07YEZ/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a9cd261a-6e11-442b-b6cf-14ad196b1efd",
      "cw-8548fa69-558d-42d3-b387-3f5b0c3290c2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-357b54cd-2795-401e-a082-c2b9cd1551cc",
    "manifestId": "https://dam.iuav.it/iuav/containers/AB07YEZ/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8548fa69-558d-42d3-b387-3f5b0c3290c2"
  }
}