Mirador閱覽器

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11304969/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4f7bba15-3d3c-4065-b64a-7e5d4c4ed4b4",
      "cw-418f658d-2a99-45a5-8de6-7b67587d55ba"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-23a8f3cf-8c02-4c14-a81f-a773d0876531",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11304969/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-418f658d-2a99-45a5-8de6-7b67587d55ba",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11304969/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}