Mirador閱覽器

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11178448/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-99a1d321-3b01-4ff2-842a-99be3d1747ee",
      "cw-7d8dbe1c-c46c-498b-b395-6cf2298b76b6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e832831d-8d96-4e99-b285-8cc1dd152f5a",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11178448/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7d8dbe1c-c46c-498b-b395-6cf2298b76b6",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11178448/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}