TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11069141/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-031e3b4b-6c18-41af-b842-6ec3c380a285",
      "cw-82674214-2fdf-45a1-a55a-894f7eec4def"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8b99a00f-3fe7-4d0f-af19-22c68685bb33",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11069141/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-82674214-2fdf-45a1-a55a-894f7eec4def",
    "thumbnailNavigationPosition": "far-right",
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11069141/manifest"
  }
}