Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502703_00637_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fd32de77-6588-4a38-9374-18376b3521fd",
      "cw-bf402484-2f33-4998-86c8-8b0db36bf04d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fa5ce70a-6de7-4ec4-8a2a-00cb0faf74f1",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502703_00637_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-bf402484-2f33-4998-86c8-8b0db36bf04d",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502703_00637_u001",
      "navDate": "1838-06-26",
      "multId": "bsbmult00000069",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502703_00637_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}