Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505950_00355_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9a29e616-e216-46fb-bd80-6cabf56784a5",
      "cw-dc5bb5dc-9fce-4eec-8086-63fdce8dd3b6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2cc7038a-55ec-4aed-a3fb-348b2a4fe983",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505950_00355_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-dc5bb5dc-9fce-4eec-8086-63fdce8dd3b6",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10505950_00355_u001",
      "navDate": "1857-09-27",
      "multId": "bsbmult00000318",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505950_00355_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}