Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/dvDz13e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2b7e918a-7422-4ece-af31-4cc63d404725",
      "cw-8ebf4e89-c5bb-400f-a245-89f5d2e3b808"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-18f808fa-8081-4c87-8872-3c0612fecc86",
    "manifestId": "https://dam.iuav.it/iuav/containers/dvDz13e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8ebf4e89-c5bb-400f-a245-89f5d2e3b808"
  }
}