Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00001139_00635_u001/manifest",
    "isFetching": false
  },
  "window": {
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    "companionAreaOpen": true,
    "companionWindowIds": [
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    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-09fbb404-1c88-400a-9ee7-492e53e1372e",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00001139_00635_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-361a655e-cf57-4d1a-8f24-1274cf3e7232",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb00001139_00635_u001",
      "navDate": "1901-06-30",
      "multId": "bsbmult00000820",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00001139_00635_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}