Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509820_00347_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8a4fa3c7-800c-4fd7-86ff-b70ce5db1cf3",
      "cw-05825470-79f5-40de-a5b7-4bdb97506f95"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b46f0917-6ebb-42a4-8f7e-d92a2a536d8a",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509820_00347_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-05825470-79f5-40de-a5b7-4bdb97506f95",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10509820_00347_u001",
      "navDate": "1851-10-31",
      "multId": "bsbmult00000787",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509820_00347_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}