Mirador Viewer

TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129285/manifest",
    "isFetching": false
  },
  "window": {
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    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d67b5994-405f-4cc1-8481-7389787b6fb5",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129285/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a5d0dfe7-083b-43a4-a2a2-776b6aa5143e",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129285/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}