Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00063950_00069_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d9a20dd5-3474-43fc-9b3b-2abbf1d05947",
      "cw-ee2ddedd-5200-4527-9640-76009c8c8c3b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9b1d2bf5-1088-4193-a72e-354e5e6b9bd3",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00063950_00069_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-ee2ddedd-5200-4527-9640-76009c8c8c3b",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb00063950_00069_u001",
      "navDate": "1925-01-13",
      "multId": "bsbmult00000842",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00063950_00069_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}