Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10531031_00249_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-84faa19f-e9de-43e8-8c51-9b6fddacc9f6",
      "cw-63babe84-5766-4cc9-9092-365e8c058da7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7f0e4a62-5311-4d0c-943a-b7d329e5ee7c",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10531031_00249_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-63babe84-5766-4cc9-9092-365e8c058da7",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10531031_00249_u001",
      "navDate": "1827-09-04",
      "multId": "bsbmult00000604",
      "lastSearchUrl": null
    },
    "canvasIndex": 1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10531031_00249_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}