Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502435_00261_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ace3ddab-5499-4031-bc76-1ca04b38aafb",
      "cw-334722f6-7a5f-4d2e-9926-9515cab70919"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-58e8e699-8978-4923-8034-18ffd6249db2",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502435_00261_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-334722f6-7a5f-4d2e-9926-9515cab70919",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502435_00261_u001",
      "navDate": "1828-03-10",
      "multId": "bsbmult00000620",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502435_00261_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}