Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503174_00261_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1e01b0d5-eb74-4c97-a2a3-1f5c4bdcb01b",
      "cw-840cbd24-2349-42d3-8749-4376908a5f94"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-110b2752-36fd-4448-b239-e6d36f31f53d",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503174_00261_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-840cbd24-2349-42d3-8749-4376908a5f94",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503174_00261_u001",
      "navDate": "1716-08-25",
      "multId": "bsbmult00000836",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503174_00261_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}