Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/wArOVYe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-95ccce7d-b2c3-4671-844a-9a16741fa099",
      "cw-ba132a62-1073-4a8e-8b1e-78bbb9d770f5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e560b795-e300-4a31-8795-2a276c0e63f9",
    "manifestId": "https://dam.iuav.it/iuav/containers/wArOVYe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ba132a62-1073-4a8e-8b1e-78bbb9d770f5"
  }
}