Mirador閱覽器

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11191544/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-77130349-8a1f-43ec-a8bf-ff1868d85158",
      "cw-7745f3c2-80f6-4673-9626-2ea43b7ea2c7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-99362eb7-7547-46f2-8a2d-b25878a7f26d",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11191544/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7745f3c2-80f6-4673-9626-2ea43b7ea2c7",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11191544/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}