Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505212_00385_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f2ede1e1-e90c-429f-b3a4-8b393a92cbc9",
      "cw-642682d7-b8b1-4b68-975d-0134d6013a35"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9c8f7656-53ba-4d32-a919-44dec0b0df4c",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505212_00385_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-642682d7-b8b1-4b68-975d-0134d6013a35",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10505212_00385_u001",
      "navDate": "1834-03-21",
      "multId": "bsbmult00000504",
      "lastSearchUrl": null
    },
    "canvasIndex": 4,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10505212_00385_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}