Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eyKaBmv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3cfad723-c88d-41ab-939a-04875831a101",
      "cw-82186087-c72d-4035-9f84-aeb689c0f72d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5a3e5dab-4780-4dca-900d-0aa45d0b19a3",
    "manifestId": "https://dam.iuav.it/iuav/containers/eyKaBmv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-82186087-c72d-4035-9f84-aeb689c0f72d"
  }
}