Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502472_00215_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4f094f2e-9999-4bd4-99ae-cf6d939d1a6e",
      "cw-e2a8d2e0-c793-4ad0-a06b-50f2e80067ea"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2b90804f-b4eb-41ba-8603-00c2cb73e801",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502472_00215_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-e2a8d2e0-c793-4ad0-a06b-50f2e80067ea",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502472_00215_u001",
      "navDate": "1869-07-04",
      "multId": "bsbmult00000529",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502472_00215_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}