Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e50REgA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c83b4e5d-21b4-4027-bfcf-6dfadf6b3f29",
      "cw-293c33bb-2a34-4dd7-aa4d-960dfb1bf2ec"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-75723284-f892-4ae5-89f5-bb2d5b99022e",
    "manifestId": "https://dam.iuav.it/iuav/containers/e50REgA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-293c33bb-2a34-4dd7-aa4d-960dfb1bf2ec"
  }
}