Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503823_00479_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-09a00415-3d56-4ce9-a434-270561e4f951",
      "cw-1cb508ac-accd-47aa-94aa-90855e353726"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-effe56c9-2859-4cae-ace2-937b0e0c389e",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503823_00479_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-1cb508ac-accd-47aa-94aa-90855e353726",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503823_00479_u001",
      "navDate": "1867-10-30",
      "multId": "bsbmult00000020",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503823_00479_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}