Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/RABOKye/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a645e65b-bce8-45bd-8769-6e36f07d1da1",
      "cw-ad8d6dc4-3d57-443a-905d-5b58fb659d73"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9c51bf74-1774-4bb9-b655-8c0e740485e8",
    "manifestId": "https://dam.iuav.it/iuav/containers/RABOKye/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ad8d6dc4-3d57-443a-905d-5b58fb659d73"
  }
}