Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11176913_00311_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dd5039fa-3835-4060-a9a4-63dbfae753e7",
      "cw-08b0a4a3-eb65-4ca2-a786-7029d20f0c2a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-71433f24-82f4-4c27-9ce4-1439e86bd3da",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11176913_00311_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-08b0a4a3-eb65-4ca2-a786-7029d20f0c2a",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb11176913_00311_u001",
      "navDate": "1874-04-08",
      "multId": "bsbmult00000481",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11176913_00311_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}