Mirador閱覽器

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11174972/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6f655cbd-5c92-431a-b38d-74ca9f4f330c",
      "cw-55d0d2ba-b598-4d2d-981a-437c95e04223"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b0012c87-c0ee-43a5-87b0-9a3705bb9fe1",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11174972/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-55d0d2ba-b598-4d2d-981a-437c95e04223",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11174972/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}