Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11128997/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b6e25bb9-4584-4087-87c4-5630195f3bd8",
      "cw-cd3ae7b1-9831-4cda-bdd7-34d37ec88324"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-12af6114-c894-4a41-b1fd-06eb62309065",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11128997/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cd3ae7b1-9831-4cda-bdd7-34d37ec88324",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11128997/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}