Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10937220_00515_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4aa1f9a4-97d6-460a-bfbd-495e34f84c0d",
      "cw-b9e444bb-2052-4561-b5cf-c1a6f0fa8e18"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-21bc0e13-e21f-4771-88ec-789817dc46d8",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10937220_00515_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-b9e444bb-2052-4561-b5cf-c1a6f0fa8e18",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10937220_00515_u001",
      "navDate": "1871-06-10",
      "multId": "bsbmult00000503",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10937220_00515_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}