Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502538_00023_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-19a6b6cb-7ada-4055-814f-0b0f3bc2c60f",
      "cw-3aff5490-8a47-4ac3-b37f-be33bff095b7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-259c85a9-b56c-4831-9a36-051e4c247ede",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502538_00023_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-3aff5490-8a47-4ac3-b37f-be33bff095b7",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502538_00023_u001",
      "navDate": "1863-09-03",
      "multId": "bsbmult00000006",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502538_00023_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}