Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504922_00203_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e9e4880f-5a2c-4445-9b36-ff87cbb419a7",
      "cw-f079eb10-e3ee-423e-a4d2-d1158ad6dcec"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-569e095c-50b6-426a-ab00-91e46c70df25",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504922_00203_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-f079eb10-e3ee-423e-a4d2-d1158ad6dcec",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504922_00203_u001",
      "navDate": "1860-04-13",
      "multId": "bsbmult00000002",
      "lastSearchUrl": null
    },
    "canvasIndex": 12,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504922_00203_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}