Mirador閱覽器

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11304739/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-df812e6f-5fff-4244-8a90-17be738ad526",
      "cw-3b6be2c5-4615-4271-ae2c-eefbf030c9e4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9e82fc28-97e9-426a-955d-c40d9f5f5ec0",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11304739/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3b6be2c5-4615-4271-ae2c-eefbf030c9e4",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11304739/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}