Mirador Viewer

TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11021947/manifest",
    "isFetching": false
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    "maximized": false,
    "rangeId": null,
    "rotation": null,
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    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-28863867-9d80-422b-826c-75bb6ba40292",
    "thumbnailNavigationPosition": "far-right",
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    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11021947/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}