Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502910_00735_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5a9c9029-878f-49bf-a643-93d50e0b3d84",
      "cw-4b26a3f4-0c79-4237-867b-fe2ca3ddb1a1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-80e7711a-7357-401d-8578-543f0e3c2a7d",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502910_00735_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-4b26a3f4-0c79-4237-867b-fe2ca3ddb1a1",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502910_00735_u001",
      "navDate": "1843-06-15",
      "multId": "bsbmult00000171",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502910_00735_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}