Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502731_00455_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a7d7fd21-6a92-4280-936d-0ed7c6f03dee",
      "cw-cfcd36a3-be83-415e-b9ea-1881f0049032"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04a0ef33-550e-43ec-bc06-b09f1f092d47",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502731_00455_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-cfcd36a3-be83-415e-b9ea-1881f0049032",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502731_00455_u001",
      "navDate": "1852-11-11",
      "multId": "bsbmult00000069",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502731_00455_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}