Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10487214_00285_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ad12659d-c55b-4433-a6ea-14dd0aae23d7",
      "cw-a8059e01-8f6a-4ec6-acf5-9104788f9510"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ea738ec7-46f2-4e2d-a376-03cb731ba0da",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10487214_00285_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-a8059e01-8f6a-4ec6-acf5-9104788f9510",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10487214_00285_u001",
      "navDate": "1861-06-13",
      "multId": "bsbmult00000543",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10487214_00285_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}