Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/v2DEmze/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-80b10c90-41b1-4706-a9de-c208c0a669bb",
      "cw-1e469651-3fed-4c0e-9fef-fc584e642ff3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6df763be-e4dd-420f-ac26-a817dc989cda",
    "manifestId": "https://dam.iuav.it/iuav/containers/v2DEmze/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1e469651-3fed-4c0e-9fef-fc584e642ff3"
  }
}