Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.falck.it/falck/containers/1k8pE6k/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3503ca2c-b176-4d7c-8710-a59742b4a1ec",
      "cw-697ed6b0-434a-41b0-8af5-7b5a9386d7ee"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-062f1a66-7dc3-4f68-adea-4a7df71de4c8",
    "manifestId": "https://dam.falck.it/falck/containers/1k8pE6k/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-697ed6b0-434a-41b0-8af5-7b5a9386d7ee"
  }
}