Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10486576_00421_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e375762e-0f0f-4fd1-9a67-61cdab6c7964",
      "cw-6bf58b4e-4cb4-4acb-89c6-4a3711e63d04"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-43a2cf81-db16-4cb2-9ae0-b055957a9059",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10486576_00421_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-6bf58b4e-4cb4-4acb-89c6-4a3711e63d04",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10486576_00421_u001",
      "navDate": "1861-04-16",
      "multId": "bsbmult00000688",
      "lastSearchUrl": null
    },
    "canvasIndex": 1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10486576_00421_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}