Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11186901/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2bc1b0a3-48d3-4de6-8e22-93cb1f60d43c",
      "cw-ed8f35e2-34e2-4d21-b0af-e49e8d7cd576"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cec4e00f-0974-4c35-a16b-b77b035bd02b",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11186901/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ed8f35e2-34e2-4d21-b0af-e49e8d7cd576",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11186901/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}