Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504969_00199_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-891902ba-289a-4754-8d2a-f0bb1d178414",
      "cw-821b79f8-99b8-4070-b3b8-f37ef9bbfb80"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-682e0764-c9e6-462f-9c4a-1cba28a0e686",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504969_00199_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-821b79f8-99b8-4070-b3b8-f37ef9bbfb80",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504969_00199_u001",
      "navDate": "1835-01-01",
      "multId": "bsbmult00000500",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504969_00199_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}