Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10229273_00259_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-438845e0-7e38-48a2-a848-3ed274009ea8",
      "cw-8a6daeab-86c0-4e54-8a99-bc55e45afe9d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fc97832c-534f-481f-96a4-790880d5ff7d",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10229273_00259_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-8a6daeab-86c0-4e54-8a99-bc55e45afe9d",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10229273_00259_u001",
      "navDate": "1864-11-19",
      "multId": "bsbmult00000441",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10229273_00259_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}