Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505500_01285_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-da717d37-2da5-4f55-ba9b-3a6b8cb929eb",
      "cw-32abe51e-7056-4479-8e17-2654a236e3c2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9c015b3b-5564-4f74-ba62-95d92fa731e9",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505500_01285_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-32abe51e-7056-4479-8e17-2654a236e3c2",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10505500_01285_u001",
      "navDate": "1850-12-28",
      "multId": "bsbmult00000625",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505500_01285_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}