Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504116_00591_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a26a9d91-9899-4005-b114-4e0b2526c5cf",
      "cw-ab108ef6-9826-4bc1-9385-a81b093e2b11"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3c676cc1-1beb-4d89-9700-621ba8bd9778",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504116_00591_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-ab108ef6-9826-4bc1-9385-a81b093e2b11",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504116_00591_u001",
      "navDate": "1864-09-21",
      "multId": "bsbmult00000157",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504116_00591_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}