Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502451_00509_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cd8b644c-1d82-4a6f-af1a-f3f7aa6880df",
      "cw-cf48ec60-8928-4bd3-b52c-6a83be2612e6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9b7ac130-52f9-49a1-8ae2-fda042aa4c9f",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502451_00509_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-cf48ec60-8928-4bd3-b52c-6a83be2612e6",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502451_00509_u001",
      "navDate": "1791-08-23",
      "multId": "bsbmult00000703",
      "lastSearchUrl": null
    },
    "canvasIndex": 2,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502451_00509_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}