Mirador Viewer

TypeError: Failed to fetch
{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00069701/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-95bbbc9c-5027-407d-b408-d1627ff59837",
      "cw-af7c78b0-5a33-4dda-aa6c-2d7cd4afd78a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0657f487-425e-4b8a-9b66-aa7d4c743a1a",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00069701/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-af7c78b0-5a33-4dda-aa6c-2d7cd4afd78a",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": "https://dfg-viewer.de/show?tx_dlf%5Bid%5D=https%3A%2F%2Fapi.digitale-sammlungen.de%2Fdfg%2Fmets%2Fmods%2Fv1%2Fdigitalobjects%2Fidentifier%2Fmdz-obj%3Absb00069701",
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00069701/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}