Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129965/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-29adf0e8-0eb6-4975-8fb3-374f24e0b7c3",
      "cw-a52aa11a-db47-4cd7-a43c-348b0f7faac4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7d74219f-c4e2-4e73-a7fd-c546b9b9a5bb",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129965/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a52aa11a-db47-4cd7-a43c-348b0f7faac4",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11129965/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}