Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.sma.unibo.it/smaunibo/containers/2D1Vbed/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-88b38259-52e3-4a81-8dcb-a45481b74b6a",
      "cw-f85533e3-618a-4558-9ccf-08f4249470bf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-26081f9a-6acc-4366-b7d3-4abb8ab1f596",
    "manifestId": "https://dam.sma.unibo.it/smaunibo/containers/2D1Vbed/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f85533e3-618a-4558-9ccf-08f4249470bf"
  }
}