Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505730_00699_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7a09f44f-eeb3-4622-bac6-4888d071b799",
      "cw-ee8738e6-30f5-4a03-a3c5-1e38f2471229"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9df8bfb4-7e3a-4f1b-9d45-6714edb50eb5",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505730_00699_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-ee8738e6-30f5-4a03-a3c5-1e38f2471229",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10505730_00699_u001",
      "navDate": "1819-06-29",
      "multId": "bsbmult00000003",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505730_00699_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}