Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504103_00075_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b37f7de6-047d-4edb-9456-ba063f683c8d",
      "cw-2b639a26-a609-49a9-8eb9-fdf49a9df329"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7446c872-27d8-419f-adfc-6967dc92eb16",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504103_00075_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-2b639a26-a609-49a9-8eb9-fdf49a9df329",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504103_00075_u001",
      "navDate": "1841-01-22",
      "multId": "bsbmult00000534",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504103_00075_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}