Mirador Viewer

TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
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    "rotation": null,
    "selectedAnnotations": {},
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    "thumbnailNavigationId": "cw-d84ac37d-74c6-4ea1-bb86-26dfe427e57e",
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      "navDate": "1930-05-23",
      "multId": "bsbmult00000011",
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    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00135036_00566_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
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}