Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AEPDLRv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-811dbcea-8994-4328-b164-18c77bfa7f95",
      "cw-30402d9d-31bf-4bdd-9381-b2db333e1a33"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5ff04de2-70d2-430b-91af-ae3ed3be2bd7",
    "manifestId": "https://dam.iuav.it/iuav/containers/AEPDLRv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-30402d9d-31bf-4bdd-9381-b2db333e1a33"
  }
}