Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00023169_00247_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-31d7d1d5-6b3d-416e-8a60-9c01648c0ef2",
      "cw-1c9785bf-8173-461c-9600-2736d631bea6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-232f3040-f204-4e3f-b814-85bec1ae135f",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00023169_00247_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-1c9785bf-8173-461c-9600-2736d631bea6",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb00023169_00247_u001",
      "navDate": "1819-08-21",
      "multId": "bsbmult00000818",
      "lastSearchUrl": null
    },
    "canvasIndex": 3,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00023169_00247_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}