Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503752_00477_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c3f99d4d-2a02-42b6-b104-82f3e6c9798d",
      "cw-ddb2f562-98e8-4733-8b48-258a30b38868"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-26f65ef8-9ce2-4a71-b770-c7f79eb296c3",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503752_00477_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-ddb2f562-98e8-4733-8b48-258a30b38868",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503752_00477_u001",
      "navDate": "1834-10-27",
      "multId": "bsbmult00000020",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503752_00477_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}