Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504016_00229_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-853f049e-7b39-414c-a1de-77d01739e33a",
      "cw-cc57e3c2-d391-4c8b-abba-32c2d16a7085"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9ced107e-85b4-4b63-bc79-5237fa8d3047",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504016_00229_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-cc57e3c2-d391-4c8b-abba-32c2d16a7085",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504016_00229_u001",
      "navDate": "1849-05-29",
      "multId": "bsbmult00000017",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504016_00229_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}