Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505663_00749_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f48d7c5c-c0ea-42a1-abd3-c2a2424ead6a",
      "cw-61ff1889-f2a6-45c0-83b3-1a1cc6eaf9a7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d508a6b7-2205-485d-ac5a-15e419d54268",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505663_00749_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-61ff1889-f2a6-45c0-83b3-1a1cc6eaf9a7",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10505663_00749_u001",
      "navDate": "1763-11-25",
      "multId": "bsbmult00000003",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505663_00749_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}