Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vGEE1oe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bcac6e8f-c877-4085-9ab6-60b071adef9a",
      "cw-309d2e8c-c152-40f7-9853-ac33f003ec97"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5232c4a6-e78f-4b3a-8767-a151b0cbfeec",
    "manifestId": "https://dam.iuav.it/iuav/containers/vGEE1oe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-309d2e8c-c152-40f7-9853-ac33f003ec97"
  }
}