Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505531_00215_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-664439dd-1111-4865-a872-fa143a18d187",
      "cw-2c3c999f-ff27-4d3b-9bf5-d75f1a293f54"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c8919fea-a618-4f20-a2d5-c3f3698ab57d",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505531_00215_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-2c3c999f-ff27-4d3b-9bf5-d75f1a293f54",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10505531_00215_u001",
      "navDate": "1869-10-02",
      "multId": "bsbmult00000625",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505531_00215_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}