Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129737/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ab6bd46e-24b1-4318-88d3-ba0b1c00dc77",
      "cw-e0dcc7a6-1328-4508-bc81-c0a5d2017e42"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f03dc35d-2548-4a07-9edf-64b063b3ed3c",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129737/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e0dcc7a6-1328-4508-bc81-c0a5d2017e42",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129737/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}