Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504991_00689_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a53743b4-eba2-482e-8197-95fcea6123cc",
      "cw-20b7b5d3-87e5-4ba8-917b-9ab69856bf60"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1760e447-c6e0-4376-92a7-8b061f31b6a8",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504991_00689_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-20b7b5d3-87e5-4ba8-917b-9ab69856bf60",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504991_00689_u001",
      "navDate": "1843-06-22",
      "multId": "bsbmult00000500",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504991_00689_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}