Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509812_00185_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22962144-1675-46f3-8748-7b237b492b16",
      "cw-440775a5-e342-4f95-ac34-49490d5c6599"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-220b26d8-936d-43bf-a76f-a66a7a2a847f",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509812_00185_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-440775a5-e342-4f95-ac34-49490d5c6599",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10509812_00185_u001",
      "navDate": "1844-07-26",
      "multId": "bsbmult00000787",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10509812_00185_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}