Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509835_00269_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dfbc5b26-ca1b-45b3-a673-955f7540de46",
      "cw-efcc0fbe-4dd9-4f0a-a5dd-19599e79e2d6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-da127605-9864-4aa8-8dda-3e18fc90bd3e",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509835_00269_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-efcc0fbe-4dd9-4f0a-a5dd-19599e79e2d6",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10509835_00269_u001",
      "navDate": "1865-11-17",
      "multId": "bsbmult00000787",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509835_00269_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}