Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502507_00729_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dd9a53c5-9857-4792-8b7a-43530d86ff66",
      "cw-f91c5373-73a0-482b-9e5b-fa5ce495f67b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-98196118-1ce4-40df-92e7-b73fdc668b47",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502507_00729_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-f91c5373-73a0-482b-9e5b-fa5ce495f67b",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502507_00729_u001",
      "navDate": "1789-11-27",
      "multId": "bsbmult00000754",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502507_00729_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}